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Ronch [10]
2 years ago
11

The equation is:Answer: the number of labor was :

Mathematics
1 answer:
Brilliant_brown [7]2 years ago
6 0

Answer:

  • equation: 1368 = 380 +52x
  • labor hours: 19

Step-by-step explanation:

The desired equation will relate labor cost, parts cost, and total cost.

<h3>A.</h3>

The total cost is the sum of the parts cost and the product of labor hours and labor rate. We're told to use x to represent labor hours.

  total cost = part cost + (labor rate)(labor hours)

  1368 = 380 + 52x

__

<h3>B.</h3>

This equation can be solved in 2 steps:

  988 = 52x . . . . . . . step 1, subtract 380 from both sides

  19 = x . . . . . . . . . . step 2, divide both sides by the coefficient of x

The number of labor hours was 19.

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