Mathematics, 12.07.2019 05:00, zalayjahan4793

James, lily, and harry are washing cars to raise money for their school prom. they need to wash 15 cars to get the money back for the supplies they bought and another 113 to make their goal. james can wash 17 cars per hour. lily can wash 12 cars in three hours. harry can wash 13 cars in two hours. how long will it take them to wash all the cars they need to? a. 4.55 hours b. 3.37 hours c. 4.65 hours d. 3.05 hours

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James, lily, and harry are washing cars to raise money for their school prom. they need to wash 15 c...