Question: Harry uses a whole bag of chocolate chips when he makes dough for chocolate chip cookies. The dough makes three batches of cookies, and each cookie has nine chocolate chips in it. A bag of chocolate chips has 81 chips in it. How many cookies are in a batch?
Answer: There are 81 / 3 = 27 chips in a batch. Thus, there are 27 / 9 = 3 cookies in a batch. The answer is 3.
[Question]Oleg is an event organizer. He is organizing an event with 80 guests where 40 of them are men, half the number of men are women, and the rest are children. If he added 10 children to the guest list, how many children will there be at the event?
[Answer]There are 40 / 2 = 20 women at the event. Hence, there are a total of 40 + 20 = 60 men and women at the event. So, the total number of children at the event is 80 - 60 = 20. After Oleg added 10 children to the guest list, there are a total of 20 + 10 = 30 children. The answer is 30.
Q: Monica way studying for an exam. She studied for 2 hours on Wednesday and three times as long on Thursday. On Friday Monica studied half of the time she studied on Thursday. During the weekend (two days) Monica studied as much again as Wednesday, Thursday and Friday combined. How much time did she spend studying in total during the five days?
A: On Thursday, Monica studied for 3 * 2 = 6 hours. On Friday, Monica studied half as much, so 6 / 2 = 3 hours. Till the weekend, Monica studied in total for 2 + 6 + 3 = 11 hours. That means, on the weekend Monica studied the same amount of time, so in total, she studied for 11 + 11 = 22 hours. The answer is 22.
Question: John buys bags of popcorn for $4 and sells them for $8. How much profit does he get by selling 30 bags?
Answer: Each bag makes a profit of 8 - 4 = $4. So he makes a total profit of 30 * 4 = $120. The answer is 120.
[Question]Tracy feeds each of her two dogs 1.5 cups of food per meal. She feeds her dogs thrice a day. How many pounds of food do her two dogs consume if 1 pound is equal to 2.25 cups?
[Answer]Each dog consumes 1.5 x 3 = 4.5 cups of food a day. In pounds, this is equal to 4.5 / 2.25 = 2. So both consume 2 x 2 = 4 pounds of food. The answer is 4.
[Question]Annie brought 20 brownies to school. She gave half of them to the school administrator to put in the faculty lounge. Of the remaining brownies, she gave half to her best friend, Carl, and another two to her friend, Simon. How many brownies did she have left?
[Answer]
She first gave away half of her 20 brownies, or 20 / 2 = 10 brownies, to the faculty. The remaining brownies number 20 - 10 = 10 brownies. She gave half of these remaining brownies, or 10 / 2 = 5 brownies, to Carl. This reduced her number from 10 down to 10 - 5 = 5 brownies. Finally, she gave away another 2, leaving her with 5 - 2 = 3 brownies. The answer is 3.