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 correct choice:	A) 44	B) 77	C) 66	D) 55	E) 37

Rationale: "( 36 * 8 ) / 30 = ( x * 6 ) / 50 = > x = 80 80 – 36 = 44 answer : a"
Answer: A