6men & 3boys working together can do 4 times as much work per hour as a man & a boy together. find the ratio of work done by a man & that of a boy for a given time.
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M = Men and B = Boy
6M + 3B = 4(1M + 1B)
6M + 3B = 4M + 4B
2M = 1B
M/B = 1/2
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