Seudónimo Seudónimo

15-02-2017
Mathematics

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Fifteen sprinters ran the 50-yard dash in an average of 9.5 seconds. Of those runners,3 ran the dash in 11.5 seconds. Find the average time of the other 12 boys

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Dave1357 Dave1357

15-02-2017

There might be a variety of averages for the 12 boys.

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Аноним Аноним

19-02-2017

Various answer 4 twelve boys

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