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?
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?
A). 25
B). 30
C). 45
D). 55
1 answers
Answered by
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# 55
(45 * 8)/30 = (x * 6)/50 => x =100
100 – 45 = 55
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