Question: A zoo has 16 pandas, paired into mates (in the same zoo). Only 25% of the panda couples get pregnant after mating. If they each have one baby, how many panda babies are born?
Answer with step-by-step thinking: First divide the number of pandas by 2 to find the number of couples: 16 pandas / 2 = 8 panda couples. Then multiply that number by 25% to find the number of babies: 8 panda couples * 25% = 2 panda babies.
So the answer is 2.


Question: Tom decides to renovate a house. There are 3 bedrooms and each bedroom takes 4 hours to renovate. The kitchen takes 50% longer than each bedroom. The living room took twice as much time as everything else combined. How long did everything take?
Answer with step-by-step thinking: The kitchen took 4 * .5 = 2 hours longer than the bedrooms. So the kitchen took 4 + 2 = 6 hours. The bedrooms took 3 * 4 = 12 hours. So the kitchen and bedrooms combined took 12 + 6 = 18 hours. The living room took 18 * 2 = 36 hours. So everything took a total of 18 + 36 = 54 hours.
So the answer is 54.


Question: Fred had 236 dollars to spend on 6 books. After buying them, he had 14 dollars. On average, how much did each book cost?
Answer with step-by-step thinking:
Fred spent $236 - $14 = $222 on books. The cost per book is $222 / 6 books = $37.
So the answer is 37.