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31 March, 13:36

7/8 hr class 1/2 is for playing 1/5 is for instruction 3/10 is for cooling down and warm up. How much was spent for cooling down and warmup?

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  1. 31 March, 17:03
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    60*7/8

    420/8

    52.5

    therefore the class is 52.5min

    52.5*3/10=16.15

    therefore they spent 15.15 min cooling down and warm up
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