36 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 most appropriate option:
A) A)44  B) B)77  C) C)66  D) D)55  E) E)37
(36 * 8)/30   = (x * 6)/50   =&gt; x =80   80 – 36   = 44   44nswer:44
<result>A</result>
36 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?