SOLUTION: four girls have 1m 15cm. average height.One new girl having height 1m 20cm .joins them now, what will be the average height of 5 girls?

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Question 1086477: four girls have 1m 15cm. average height.One new girl having height 1m 20cm .joins them now, what will be the average height of 5 girls?
Found 2 solutions by ikleyn, Alan3354:
Answer by ikleyn(52905) About Me  (Show Source):
You can put this solution on YOUR website!
.
%284%2A1.15%2B1.2%29%2F5 meters.

Can you calculate it on your own ?



Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
four girls have 1m 15cm. average height.One new girl having height 1m 20cm .joins them now, what will be the average height of 5 girls?
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four girls have 1m 15cm = 1.15m
4*1.15 = 4.6m
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One new girl having height 1m 20cm = 1.2m
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(4.6+1.2)/5 = 1.16m = 1m 16cm