Question

Juan charges $3.50 per hour for baby-sitting. Write a rule to describe how the amount of money M earned is a function of the number of hours h spent baby-sitting. About how long will it take Juan to earn $15?

Answer 1

A.

M = 3.5h; about 4 hours

Explanation:

The amount earned M is equal to the hourly rate times the number of hours h spent baby-sitting.

M=3.5h15=3.5h 4≈h

It will take Juan about 4 hours to earn $15.

Answer 2

M=3.50h
it will take juan about 4.5 hours to earn $15