If it takes 6 men 4 days to dig a hole 3 metres deep, how long will it take 10 men to dig a hole 7 metres deep?
Added by Alexander B.
Step 1
Given: 6 men, 4 days, 3 meters Using the formula: m1 * d1 / w1 = m2 * d2 / w2 6 * 4 / w1 = 1 * 1 / 3 24 / w1 = 1 / 3 w1 = 72 Show more…
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