Mathematics, 11.07.2021 14:00 Spoiledgirl2905

In a class of 25 students the mean height of the 15 girls is 1.65 metres
the mean height of all 25 students is 1.682 metres.
Work out the mean height of the boys.

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In a class of 25 students the mean height of the 15 girls is 1.65 metres
the mean height of a...