Question: John raises emu. He has 4 pens for emu and each pen has 6 emus in it. Each female emu lays 1 egg per day. If half the emu are females how many eggs does he get a week?
Answer with step-by-step thinking: There are 6 * 4 = 24 emus. So there are 24 / 2 = 12 female emus. So he gets 12 * 7 = 84 eggs a week.
So the answer is 84.

Question: Felix is chopping down trees in his backyard. For every 13 trees he chops down he needs to get his axe resharpened. It cost him $5 to sharpen his axe. If he spends $35 on axe sharpening, at least how many trees has he chopped down?
Answer with step-by-step thinking: He has sharpened in 7 times because 35 / 5 = 7. He has chopped down 91 trees because 7 x 13 = 91.
So the answer is 91.

Question: Daphney buys 5 kg of potatoes at the supermarket. If 2 kg of potatoes costs $6, how much will she pay?
Answer with step-by-step thinking:
The price per kilogram of potatoes is $6 / 2 = $3. To buy 5 kg of potatoes, she will have to pay 5 * $3 = $15.
So the answer is 15.