Question

jeb has to pay a plumber $65 to come to his house and $40 per hour after that. how many hours did the plumber work if jeb paid him $325

Answer 1

40x+65=325    and x equals 6.5

Answer 2

Let x be the amount of hours the plumber worked.
Therefore, we get:
40x+65=325
Solve for x.
40x=260
x=6.5
Therefore, the plumber worked for 6.5 hours.