If 12 men do a work in 80 days, in how many days will 16 men do it?	Select.
A) 17 days	B) 19 days	C) 15 days	D) 60 days	E) 14 days
12 * 80 = 16 * x   x = 60 days   Answer: 60 days
<result>D</result>
If 12 men do a work in 80 days, in how many days will 16 men do it?