Question

An electrician’s bill is $55 for materials and $40 an hour for labor. To express the total amount of the bill in terms of the number of hours of labor, let h be the number of hours of labor. Then the cost of the labor is_____ dollars, so the total amount for materials and labor is _______ dollars.

Answer 1

40h

55 + 40h

Explanation:

let h be the number of hours of labor. Then the cost of the labor is 40h dollars, so the total amount for materials and labor is 55 + 40h dollars.