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8 March, 22:00

It takes Patty one-third of an hour to wash a car and half that time to dry off a car. How long will it take her to wash and dry 6 cars?

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  1. 8 March, 22:28
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    60 minutes in an hour, one third of that (60/3) is 10 minutes, and half of 10 is 5 minutes.

    10x6 is 60 and 5x6 is 30

    It will take Patty an hour and thirty minutes to wash and dry the cars.
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