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Posted by on Monday, October 28, 2013 at 4:11pm.

a car repair shop charge $80 per hour for labor and $210 for the parts of a car . if the total cost of repair for the car was $490 , how many hours did it take ro repair the car ?

  • Algebra - , Monday, October 28, 2013 at 4:13pm

    total cost=80*h+210

    solve for h.
    subtract 210 from each side
    divide each side by 80

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