Question

Karl bought a lawn mower for $450, and he charges customers $20 each to mow their lawns. He uses approximately $2 in gas for each lawn that he mows. How many lawns must he mow to break even?

Answer 1

You have to divide 450 by 18 because that's how much money he makes per every lawn he mows, $20 is the amount he's paid minus $2 because he spends that much on gas per lawn mowed. Therefor you get 25