sarah1425 sarah1425

16-04-2021
Mathematics

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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.

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muhammadishaq8833 muhammadishaq8833

16-04-2021

Girls are 4ft tall
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