Question

Peter Piper Plumbing charges $7.50 per hour for labor
in addition to a service call fee of $9. If the plumbing
company charges you $76.50 for a house call, how
many hours were they at your house? Write an equation
and solve.

Answer 1

$7.50x + 9 =76.50
Subtract 9 to get 67.50 the divide 67.50 by 7.50 to get 9