75 boys can complete a job in 24 days. How many men need to complete the job twice in 20 days
Pick one:	A) 160	B) 170	C) 180	D) 190	E) 200
One man can complete the job in 24*75= 
<gadget id="calculator">24*75</gadget>
<output>1_800</output>
1800 days   To complete the job twice he would need 3600 days.   Thus, to complete the job in 20 days, 3600/20=180 men are needed.   ANSWER:180
<result>C</result>
75 boys can complete a job in 24 days. How many men need to complete the job twice in 20 days