The first class had a kids in it, the second had b kids in it, and the third class had c kids in it. kids from all three classes were equally divided between two buses. how many kids were on each bus?

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

How is working backward similar to solving an equation?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?