Question: At a party, there are 400 students, a combination of poets, singers and tree huggers. There are 50 more poets than treehuggers at the party. If the number of tree huggers is 120, how many singers are at the party?
Answer with step-by-step thinking: Since there are 50 more poets than treehuggers at the party, the number of poets is 120 + 50 = 170. The number of poets and tree huggers at the party is 170 + 120 = 290. Since the number of attendees at the party also included singers, there are 400 - 290 = 110 singers.
So the answer is 110.


Question: Goldie makes $5 an hour for pet-sitting. Last week, she worked for 20 hours while this week, she worked for 30 hours. How much did Goldie earn in two weeks for pet-sitting?
Answer with step-by-step thinking: Goldie did pet - sitting for a total of 20 + 30 = 50 hours. So, she earned a total of $5 x 50 = $250.
So the answer is 250.


Question: Matt has six cats and half of them are female. If each female cat has 7 kittens, and Matt sells 9 of them, what percentage of his remaining cats are kittens (rounded to the nearest percent)?
Answer with step-by-step thinking:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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First find the number of cats that are females: 6 cats / 2 = 3 cats. Then find the total number of kittens born: 7 kittens / cat * 3 cats = 21 kittens. Then subtract the 9 kittens that were sold: 21 kittens - 9 kittens = 12 kittens. Then add the number of kittens to the number of adult cats to find the total number of cats: 12 kittens + 6 cats = 18 cats. Then divide the number of kittens by the total number of cats and multiply by 100% to find the percentage of cats that are kittens: 12 kittens / 18 cats * 100% = 66.666...%, which rounds up to 67%.
So the answer is 67.