Answer:
The total charges if the plumber took 4 hours to complete the installation is $270.
Explanation:
Given : A plumber charges $55 per hour plus a $50 service charge. Kevin hired the plumber to install a new hot water heater.
To find : What are the total charges if the plumber took 4 hours to complete the installation?
Solution :
A plumber charges $55 per hour plus a $50 service charge.
i.e., The charge in 1 hour= $55
Extra service charge = $50
We have to find charge in 4 hours is
The charge in 4 hour =
Total charge = Charge in 4 hour+ Service charge
Total charge = $220 + $50
Total charge = $270
Therefore, The total charges if the plumber took 4 hours to complete the installation is $270.