Question

A plumber has a call out fee of $33 and then

charges $21 per hour.
Write an equation to determine the total cost of a
house call after x, hours.

Answer 1

y=21x+33

Explanation:

Your flat fee is added at the end becuase you are only charged once, but hourly it is 21 dollars, when you plug in your hours as x you will get the total cost being y