A work which could be finished in 10 days was finished 3 days earlier after 10 more men joined. The number of men employed was?
Pick one:
A) 15 B) 20 C) 88 D) 71 E) 11
x ------- 10   (x + 10) ---- 6   x * 10 = (x + 10)6   x = 15   \15nswer: 15
<result>A</result>
A work which could be finished in 10 days was finished 3 days earlier after 10 more men joined. The number of men employed was?