A computer repair technician charges $35 for each job plus $21 per hour of labor and 110% of the cost of parts. The total charge

Question

2 years ago

11

for a 3-hour job was $169.50. What was the cost of parts for this job? Write and solve an equation and justify each step in the solution.

1 answer:

Novay_Z [31] · Answer 1 · 2022-06-22T05:15:12+03:00

7 0

Answer:

The cost of parts was $65.

Step-by-step explanation:

Let the cost of parts = x

35 + 21(3) + 1.10x = 169.50

98 + 1.10x = 169.50

71.50 = 1.10x

71.50/1.10 = 65