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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?

Respuesta :

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

Answer:

A.

M = 3.5h; about 4 hours

Step-by-step 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.