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mastura mastura
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3 years ago
Solve the problem.

An auto repair shop charged a customer $280 to repair a car.  The bill listed $80 for parts and the remainder for labor.  If the cost of labor is $50 per hour, how many hours of labor did it take to repair the car?

▸ 4.5 hours

▸ 4 hours

▸ 3 hours

▸ 5 hours
Textbook 
College Algebra

College Algebra


Edition: 7th
Author:
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Jiayi X.Jiayi X.
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