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16-12-2022
Mathematics

Answered

11. Three car washers can wash 4 cars in 5 hours. The the nearest whole number of hours, how long would it take 7 car washers to wash 18 cars, if all are working at the same rate all the time (A) 3 (B) 4 (C) 7 (D) 10 (E) 18

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