Question

Your summer jobs include working for a lawn mowing service and a car wash. Last
week you worked −

22 hours mowing lawns
4 hours at the car wash
You are paid $10 per hour at the car wash.
What is the amount per hour you make mowing lawns if your total earnings for last week was $392?

(1 point)

Answer 1

Let x = hourly rate for mowing. Then

22x + 4(10) = 392
22x + 40 = 392
22x = 352
x = 352/22 = 16

You make $16 per hour mowing lawns.