54 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?	Answers:	A) 33	B) 66	C) 18	D) 100	E) 281
(54 * 8)/30 = (x * 6)/50 =&gt; x =120   120 – 54 = 66   Answer: 66
<result>B</result>
54 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?