If a repair shop receives 15 American cars per day and their mechanics work 7 hours a day, on average their mechanics should spend the following time fixing each Chevy: 28 mins / car 26 mins /car 30 mins /car 32 mins /car?
1) 28 mins / car
2) 26 mins /car
3) 30 mins /car
4) 32 mins /car



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