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Mathematics, 30.06.2020 16:01 preciosakassidy
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?
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Answers: 3
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The mean (average) height of 4 girls is 152 cm.
Melissa joins the group and the mean height of the<...
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