Problema Solution
56 men can complete a piece of work in 24 days. In how many days can 42 men complete the same work?
Answer provided by our tutors
let x = the number of days 42 men need to complete the work
56 : 24 = 42 : x
cross multiply
56x = 24*42
by solving we find
x = 18 days
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42 men need 18 days to complete the work.