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Mathematics, 03.12.2019 22:31 Hardydonotmess1

In a class of 32 students,
the mean height of the 14 boys is 1.56m
the mean height of all 32 is 1.515m
work out the mean height of the girls

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In a class of 32 students,
the mean height of the 14 boys is 1.56m
the mean height of a...
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