69 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?
Choose the correct choice from the following choices
A) 20	B) 23	C) 24	D) 25	E) 26
According to the chain rule,   M1 x T1 = M2 x T2   Therefore, 69 x 12 x 5 = 30 x 6 x X   X = 23   Hence, the number of days = 23.   ANSWER:23
<result>B</result>
69 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?