Unitary Method Problem

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Unitary Method Problem

by [email protected] » Sat Oct 10, 2015 2:29 am
If 5 men working for 6 hours a day can reap a field in 20 days, in how many days will 15 men reap the field, working 8 hours a day ?

(a) 5 days

(b) 6 days

(c) 7 & 1/2 days

(d) 9 days