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

Mathematics

1 answer:

Brilliant_brown [7]1 year 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.

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

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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