<transcript><audio_62>gives us our ratio then we shall come and have four to five now this becomes our ratio of degrees then i will come to the last statement</transcript><video><caption><image_63>The image shows a blackboard with mathematical equations written on it. The equations are written in white chalk and are arranged in a grid-like pattern. On the left side of the blackboard, there is a text that reads "Mathematics: Ratio of decrease". On the right side, there are two equations written in red chalk. The first equation is "The ratio of deser" and the second equation is written in black chalk.

In the center of the image, we can see a young man standing in front of the chalkboard. He is wearing a white shirt and appears to be looking down at the equations. The background is blurred, but it seems like he is in a classroom or a classroom setting.</caption><caption><image_64>The image is a blackboard with white chalk writing on it. The writing on the blackboard appears to be a mathematical equation or problem related to mathematics. The equation is written in white chalk and is divided into two sections. 

On the left side of the image, there is a list of mathematical equations written in black chalk. The equations are written in a neat and organized manner. The first section is titled "Mathematics: Ratio of decrease" and the second section is labeled "The ratio of deser". The equations appear to be related to the ratio of decrease, as indicated by the text.

The image also has a pink border around the edges, indicating that it is a photograph. The background is blurred, but it seems to be an indoor space with a white wall.</caption></video><transcript><audio_65>the ratio</transcript><video><caption><image_66>The image shows a man standing in front of a blackboard with white chalk writing on it. He is wearing a white shirt and appears to be writing on the blackboard in a classroom. The blackboard is black and the writing is written in white chalk. The man is pointing to the right side of the image with his right hand, as if he is writing a mathematical equation. The equation is written as "The ratio of decrease is 4.5". The equation appears to have been written in a neat and organized manner. The background is blurred, but it seems to be a classroom with other students and teachers visible in the background.</caption><caption><image_67>The image shows a blackboard with a mathematical equation written on it. The equation is written in white chalk and is written on a black surface. The blackboard is attached to a yellow wall and there is a person standing in front of it, wearing a white lab coat. The person appears to be a teacher or a student, as they are facing the blackboard and are looking at the equation.

The equation reads "The ratio of decrease is 4:5". Below the equation, there is another equation written in black chalk. The text is written as "4:5" and "5". The equation appears to have been written in a simple and easy-to-understand manner. The image is likely taken in a classroom or a classroom setting.</caption><caption><image_68>The image shows a young man standing in front of a blackboard in a classroom. He is wearing a white shirt and appears to be in his late teens or early twenties. The blackboard is filled with mathematical equations and formulas written in white chalk. The equations are written in a neat and organized manner, and the formulas are clearly visible. The man is looking at the camera with a serious expression on his face. The background of the image is a plain white wall.</caption><caption><image_69>The image shows a man standing in front of a blackboard with mathematical equations written on it. The equations are written in white chalk and are arranged in a grid-like pattern. The man is wearing a white shirt and appears to be a teacher or a student. He is standing in a classroom with a whiteboard in the background.

The equations on the blackboard appear to be related to mathematics, as they are written on the left side of the image. On the right side, there is a text that reads "The ratio of decrease is 4.5". The text is written in a simple, sans-serif font and is centered on the board. The image appears to have been taken in a school or classroom setting.</caption><caption><image_70>The image shows a blackboard with mathematical equations written on it. The equations are written in white chalk and are arranged in a grid-like pattern. On the left side of the blackboard, there is a man standing in front of it, writing on a piece of paper. He is wearing a white shirt and appears to be a teacher or a student. The blackboard is located in a classroom or a school, as there are other students visible in the background. The image appears to have been taken in a dimly lit room with a wooden ceiling.</caption><caption><image_71>The image shows a man standing in front of a blackboard in a classroom. He is wearing a white shirt and black pants and appears to be a teacher or a student. The blackboard is filled with mathematical equations and formulas written in white chalk. The equations are written in a neat and organized manner, and the formulas appear to be related to mathematics. The man is pointing to one of the equations on the blackboard with his right hand, as if he is explaining something. The background of the image is a plain white wall.</caption></video><transcript><audio_72>is 4 to 5 then i have to underline my statement so when you look at this statement here how can you determine that the ratio is</transcript><caption><image_73>The image shows a young African-American man standing in front of a blackboard in a classroom. He is wearing a white shirt and black pants and appears to be writing on the blackboard with chalk. The blackboard is filled with mathematical equations and formulas written in white chalk. There is a pink line on the right side of the board, indicating that the man is writing something on it. The background of the image is a yellow wall with a bulletin board on the left side.</caption><transcript><audio_74>right if you want to prove that your ratio is right then we shall get the first ratio the way it is you'll prove from our side this is not part of the work but you can also prove it from a side get the ratio the first</transcript><transcript><audio_75>ratio is our numerator the second ratio is our denominator multiply by the old number if you multiply by the only number then it gives you a new number that proves us that the ratio is right let's look at</transcript><caption><image_76>The image shows a man standing in front of a blackboard in a classroom. He is wearing a white shirt and black pants and appears to be giving a presentation or lecture. The blackboard is filled with mathematical equations and formulas written in white chalk. The equations are written in a neat and organized manner, and the formulas appear to be related to mathematics. The man is standing with his hands on his hips and is looking at the chalkboard with a serious expression on his face. The background of the image is a plain white wall.</caption><transcript><audio_77>how old the number our order number was 50 our old number is 50 kilograms so we shall get our ratio timers 50 kilograms this is our original number</transcript><transcript><audio_78>so if we come out with everything here if it gives us the decrease that is reflected in the question that proves us right so we shall have four</transcript><transcript><audio_79>times 50 kilograms from there i'll have to cancel out i'll say by five one by five one which will give us four times ten here we have now remaining with the</transcript><transcript><audio_80>ten which will give us a total of 40 kilograms as new weight and when we look at our question previously the the question which are which they</transcript> gives us our ratio then we shall come and have four to five now this becomes our ratio of degrees then i will come to the last statement the ratio is 4 to 5 then i have to underline my statement so when you look at this statement here how can you determine that the ratio is right if you want to prove that your ratio is right then we shall get the first ratio the way it is you'll prove from our side this is not part of the work but you can also prove it from a side get the ratio the first ratio is our numerator the second ratio is our denominator multiply by the old number if you multiply by the only number then it gives you a new number that proves us that the ratio is right let's look at how old the number our order number was 50 our old number is 50 kilograms so we shall get our ratio timers 50 kilograms this is our original number so if we come out with everything here if it gives us the decrease that is reflected in the question that proves us right so we shall have four times 50 kilograms from there i'll have to cancel out i'll say by five one by five one which will give us four times ten here we have now remaining with the ten which will give us a total of 40 kilograms as new weight and when we look at our question previously the the question which are which they
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