Solve the problem.
-It costs $19 per hour plus a flat fee of $32 for a plumber to make a house call. After writing an equation forthis situation, suppose the total cost to have a plumber come to a house is $203. How many hours did theplumber work?
A)9 hr
B)5 hr
C)20 hr
D)16 hr

Question

Quizplus · Accepted Answer

The total cost is calculated by the equation: Total Cost = $19 * hours + $32. Given the total cost is $203, we solve for hours: $203 = $19 * hours + $32. Subtracting $32 from both sides gives $171 = $19 * hours. Dividing both sides by $19 gives hours = 9.

Solve the Problem. -It Costs $19 Per Hour Plus a Flat Fee of Flat