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The time taken to do a piece of work is inverse... - JAMB Mathematics 2002 Question

The time taken to do a piece of work is inversely proportional to the number of

men employed. if it takes 45 men to do a piece of work in 5 days, how long will

it take 25 men?
A
15 days
B
12 days
C
5 days
D
9 days
correct option: d
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