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scoundrel [369]
2 years ago
11

If 3 boys can build 12 model airplanes in a certain length of time, how many planes can 15 boys make in the same length of time

if they work at the same speed?
Mathematics
1 answer:
zubka84 [21]2 years ago
4 0
It would be five times as many planes so 12*5=60 planes
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