Mathematics, 01.07.2020 16:01 lovelylife7553

The mean (average) height of 4 girls is 152 cm. Melissa joins the group and the mean height of the
group of the 5 girls is now 151.6 cm.
What is Melissa's height?

Answers: 2

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The mean (average) height of 4 girls is 152 cm. Melissa joins the group and the mean height of the<...