Question: Ali turned 8 years old this year, and is now 3 years older than Yusaf. If Umar is twice Yusaf's age, how old is Umar?
Answer: If Ali is 3 years older, then Yusaf must be 8 3 = 5 years old. Umar is twice Yusaf's age, so he must be 5 * 2 = 10 years old. The answer is 10.
[Question]John has a party and invites 30 people. Of the people he invited 20% didn't show up. 75% of the people who show up get steak and the rest get chicken. How many people ordered chicken?
[Answer]There were 30 * .2 = 6 people who didn't show up. So 30 - 6 = 24 people showed up. Of the people who showed up, 24 * .75 = 18 got steak. So 24 - 18 = 6 got chicken. The answer is 6.
Q: Joel collected a bin of old toys to donate. By asking his friends, he was able to collect 18 stuffed animals, 42 action figures, 2 board games, and 13 puzzles. His sister gave him some of her old toys from her closet, and then Joel added twice as many toys from his own closet as his sister did from hers. In all, Joel was able to donate 108 toys. How many of the donated toys were Joel's?
A: Let T be the number of toys Joel's sister donated. Joel donated twice as many toys, so he donated 2T toys. Joel's friends donated 18 + 42 + 2 + 13 = 75 toys. In all, Joel collected T + 2T + 75 = 3T + 75 = 108 toys. Joel and his sister donated 3T = 108 - 75 = 33 toys together. Therefore, T = 33 / 3 = 11 toys were his sister's. Thus, 2T = 2 * 11 = 22 toys were Joel's. The answer is 22.
Question: A wildlife team is monitoring the number of birds in a park. There are 3 blackbirds in each of the park's 7 trees. There are also 13 magpies roaming around the park. How many birds are in the park in total?
Answer: In the trees, there are 7 trees * 3 blackbirds per tree = 21 blackbirds. In addition to the magpies, there is a total of 21 blackbirds + 13 magpies = 34 birds in the park. The answer is 34.
[Question]There are four members in one household. Each member consumes 3 slices of bread during breakfast and 2 slices of bread for snacks. A loaf of bread has 12 slices. How many days will five loaves of bread last in this family?
[Answer]A total of 3 + 2 = 5 slices of bread are consumed by each member every day. So a family consumes a total of 5 x 4 = 20 slices of bread every day. Five loaves of bread have 5 x 12 = 60 slices of bread. Thus, the 5 loaves of bread last for 60 / 20 = 3 days. The answer is 3.
[Question]Janele wants to figure out the average weight of her cats. She has 4 of them. The first two weigh 12 pounds each. The third weighs 14.7 pounds and the fourth weighs 9.3 pounds. What is their average weight?
[Answer]
The four cats weigh 48 pounds in total because 12 plus 12 plus 14.7 plus 9.3 equals 48. The average weight is 12 pounds because 48 divided by 4 is 12. The answer is 12.