81 men working 8 hours per day dig 30 m deep. How many extra men should be put to dig to a depth of 50 m working 6 hours per day?
Choose the correct choice from the following answers
A) A)99
B) B)77
C) C)66
D) D)55
E) E)88
(81 * 8)/30   = (x * 6)/50   =&gt; x =180   180 – 81   = 99   99nswer:99
<result>A</result>
81 men working 8 hours per day dig 30 m deep. How many extra men should be put to dig to a depth of 50 m working 6 hours per day?