Concept explainers
Set up equations and solve.
Trades Management An appliance repair shop charges $95 for the first hour of labor and $80 for each additional hour. The total labor charge for an air-conditioning system installation was $655. Write an equation that allows you to solve for the total repair time; then solve the equation.
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Mathematics for the Trades: A Guided Approach (11th Edition) (What's New in Trade Math)
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