A piece of work may be completed in 18 days by 36 men. How long will it take 27 workers to perform the same task?
A. 12
B. 18
C. 22
D. 24
Answer:D
A piece of work may be completed in 18 days by 36 men. How long will it take 27 workers to perform the same task?
A. 12 B. 18 C. 22 D. 24
Explanation: Let x be the number of days necessary.More days, fewer guys (Indirect Proportion),27 : 36 : 18 : x 27 x x = 36 x 18 : x 27 x x = 36 x 18 : x 27 x x = 36 x 18 :36 x 18/27 = x,x equals 24.