A group of men decided to do a work in 55 days, but 15 of them became absent. If the rest of the group did the work in 60 days, Find the original number of men? Pick:
A) 180	B) 150	C) 140	D) 100	E) 25
Original number of men = 15*60 / (60-55)= 
<gadget id="calculator">15*60 / (60-55)</gadget>
<output>180</output>
180   180nswer is 180
<result>A</result>
A group of men decided to do a work in 55 days, but 15 of them became absent. If the rest of the group did the work in 60 days, Find the original number of men?