A bill from a plumber was $306 The plumber charged $150 for parts and $52 per hour for labor. How long did ths plumber work at his job?

Mathematics · Middle School · Mon Jan 18 2021

Answered on

Given :

Total bill = $306

Cost of parts = $150

Cost of labor per hour = $52

Now, let the number of hours plumber worked be x

Then, according to question 

52x + 150 = 306

52x = 306 - 150

52x = 156

x = 156/52

x = 3

 

Thus, plumber work for 3 hours.