SOLUTION: An electrician charges $42 per hour. He estimates that he will need $628 in materials for a project and the total cost will be $1,384. How many hours does the electrician expect th

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: An electrician charges $42 per hour. He estimates that he will need $628 in materials for a project and the total cost will be $1,384. How many hours does the electrician expect th      Log On


   

Question 873536: An electrician charges $42 per hour. He estimates that he will need $628 in materials for a project and the total cost will be $1,384. How many hours does the electrician expect the job to take ?
Found 2 solutions by lenny460, wagener sc:
Answer by lenny460(1073) About Me  (Show Source):
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An electrician charges $42 per hour. He estimates that he will need $628 in materials for a project and the total cost will be $1,384. How many hours does the electrician expect the job to take ?
1384 - 628 = 756
Therefore:
756 / 42 = 18

Answer:
18 hours




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Answer by wagener sc(2) About Me  (Show Source):