[Question]Joseph gave 23 cards to each of his 15 students and had 12 cards left. How many cards did Joseph have at first?
[Answer]He gave 23 cards each to 15 students for a total of 23 * 15 = 345 cards. He has 12 cards left, so originally the number of cards was 345 + 12 = 357 cards. The answer is 357.
Q: Lionel went to the grocery store and bought 14 boxes of Graham crackers and 15 packets of Oreos. To make an Oreo cheesecake, Lionel needs 2 boxes of Graham crackers and 3 packets of Oreos. After making the maximum number of Oreo cheesecakes he can with the ingredients he bought, how many boxes of Graham crackers would he have left over?
A: Lionel has enough Graham crackers to make 14 / 2 = 7 Oreo cheesecakes. Lionel has enough Oreos to make 15 / 3 = 5 Oreo cheesecakes. Therefore, the maximum number of cheesecakes Lionel can make is 5. Lionel needs 2 * 5 = 10 boxes of Graham crackers to make 4 cheesecakes. He'll have 14 - 10 = 4 boxes left over. The answer is 4.
Question: Jerry had 63 pieces of candy. He divided them up equally into 9 bags. 2 of the bags had chocolate hearts. 3 of the bags were chocolate kisses. The rest of the bags were not chocolate. How many pieces of candy were not chocolate?
Answer: Jerry had 63 pieces of candy / 9 bags = 7 pieces of candy per bag. There were chocolate hearts in 2 bags * 7 = 14 chocolate hearts. There were chocolate kisses in 3 bags * 7 = 21 chocolate kisses. There was a total of 21 + 14 chocolate candy = 35 chocolate. Jerry started with 63 pieces - 35 chocolate = 28 pieces of non - chocolate candy. The answer is 28.
[Question]John buys 3 puzzles. The first puzzle has 1000 pieces. The second and third puzzles have the same number of pieces and each has 50% more pieces. How many total pieces are all the puzzles?
[Answer]The second puzzle has 1000 * .5 = 500 more pieces than the first. So it has 1000 + 500 = 1500 total pieces. That means those two puzzles have 1500 * 2 = 3000 pieces. So in total there were 3000 + 1000 = 4000 pieces. The answer is 4000.
Q: Daisy is climbing trees all around her neighborhood and starts to notice the number of branches and the height. The first tree she climbs is 50 feet tall and has 200 branches. The second tree she climbs is 40 feet tall and has 180 branches. The third tree she climbs is 60 feet tall and has 180 branches. The final tree she climbs is 34 feet tall and has 153 branches. On average, how many branches do these trees have per foot?
A: The first tree has 4 branches per foot because 200 / 50 = 4. The second tree tree has 4.5 branches per foot because 180 / 40 = 4.5. The third tree has 3 branches per foot because 180 / 60 = 3. The fourth tree has 4.5 branches per foot because 153 / 34 = 4.5. The total branches per foot is 16 because 4 + 4.5 + 3 + 4.5 = 16. The average branches per foot is 4 because 16 / 4 = 4. The answer is 4.
Question: Quinten sees three buildings downtown and decides to estimate their heights. He knows from a book on local buildings that the one in the middle is 100 feet tall. The one on the left looks like it is 80% of the height of the middle one. The one on the right looks 20 feet shorter than if the building on the left and middle were stacked on top of each other. How tall does Quinten estimate their total height to be?
Answer:

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.
user
He estimates the building on the left is 80 feet tall because 100 x .8 = 80. The combined height of the left and middle is 180 because 100 + 80 = 180. The building on the right he estimates as 160 feet because 180 - 20 = 160. He estimates the combined height as 340 feet because 80 + 100 + 160 = 340. The answer is 340.