Mathematics, 21.09.2019 23:30 lizzy2951

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

Answers: 1

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