You are the serivce manager at an auto repair shop. You charge $22 per hour for labor plus the cost of any....?

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You are the serivce manager at an auto repair shop. You charge $22 per hour for labor plus the cost of any....?

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Answer #1 | 26/12 2013 13:16

22x +256 = 421 22x = 165 x = 7.5

Answer #2 | 26/12 2013 13:26

7 and 1/2 hours

Answer #3 | 26/12 2013 23:19

(421-256)/22=x x=7.5

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Answer #4 | 29/12 2013 18:00

256 + 22x = 421 Where 256 is the repair cost, 22 is the cost per hour times the number of hours (x). Set this equal to 421, as given. 22x = 421-256 22x = 165 x = 7.5 As explained above, x is equal to hours so the answer is 7.5. Hope this helps! (:

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