A plumber charges a $45 fee to make a house call and then $25 for each hour of labor. The plumber uses an equation in the form y=mx + b to determine the amount to charge each customer. What is the value of m in the equation?

Question

Nikhil Obrien

Mathematics

2 August, 01:47

A plumber charges a $45 fee to make a house call and then $25 for each hour of labor. The plumber uses an equation in the form y=mx + b to determine the amount to charge each customer. What is the value of m in the equation?

+4

Answers (2)

Know the Answer?

Cali Page · Answer 1

M=slope

In this case the slope would be $25

y=mx+b

y=25x+45

Answer: m=25

Makenzie Holland · Answer 2

The m represents the $25 hourly charge. When you substitute the numbers of hours into the equation you multiply it by the hourly charge then add the fee for the house call.