45 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) 77 B) 77 C) 66 D) 55 E) 77
(45 * 8)/30   = (x * 6)/50   =&gt; x =100   100 – 45   = 55   Answer:55
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45 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?