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Mathematics, 06.05.2021 23:40 iamhayls
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?
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If 3 boys can build 12 model airplanes in a certain length of time, how many planes can 15 boys make...
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