A certain number of men complete a piece of work in sixty days. If there were 8 men more, the work could be finished in 10 days less. How many men were originally there ?

30

32

36

40

Originally let there be x men. More men, Less days (x + 8) : x ? 60:50 So, x + 8 / x = 60/50 or x = 40. Hence, there were 40 men, originally.

60x =(x+8)50 10x = 400 x=40

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