Q: There are 14 caterpillars on the tree. 4 more eggs hatch, and baby caterpillars climb out to munch on the leaves. 8 fat caterpillars leave the tree to cocoon themselves to be butterflies. How many caterpillars are left on the tree?
A: With the new babies, there are 14 + 4 = 18 caterpillars. With the big caterpillars leaving, there are 18 - 8 = 10 caterpillars on the tree. The answer is 10.
Question: Harper has 15 rubber bands. His brother has 6 fewer rubber bands than he has. How many rubber bands do they have together?
Answer: His brother has 15 rubber bands - 6 rubber bands = 9 rubber bands. They have 15 rubber bands + 9 rubber bands = 24 rubber bands together. The answer is 24.
[Question]There are 320 ducks in a pond. On the first night 1/4 of them get eaten by a fox. On the second night 1/6 of the remaining ducks fly away, and on the third night 30 percent are stolen. How many ducks remain after the three nights?
[Answer]First night:320(1 / 4) = 80. 320 - 80 = 240. Second night:240(1 / 6) = 40. 240 - 40 = 200. Third night:200(.30) = 60. 200 - 60 = 140 ducks remain. The answer is 140.
Q: Reese joined a Pinterest group where members contributed an average of 10 pins per day. The group owner deleted older pins at the rate of 5 pins per week per person. If the group has 20 people and the total number of pins is 1000, how many pins would be there after Reese had been a member for a month?
A: In a day, the total number of new pins is 10 * 20 = 200. There will be 30 * 200 = 6000 new pins after a month. The total number with old pins present is 6000 + 1000 = 7000 pins. If the owner deletes five pins every week, the total number of deleted pins in a week is 5 * 20 = 100 pins. After a month, the number of deleted pins will be 100 * 4 = 400. The number of pins after the old pins are deleted is 7000 - 400 = 6600 pins. The answer is 6600.
Question: At Rainbow Preschool, there are 80 students. 25% of them are half-day students and get picked up at noon, while the rest are full-day students. How many are full-day students?
Answer: Number of half day preschoolers is 80 x 25% = 20 students. Number of full day preschoolers is 80 - 20 = 60 students. The answer is 60.
Q: Lizzie has half as many crayons as Bobbie. Bobbie has three times as many crayons as Billie. If Billie has 18 crayons, how many crayons does Lizzie have?
A:
Bobbie has 18 * 3 = 54 crayons. Lizzie has 54 / 2 = 27 crayons. The answer is 27.