If 10 men can reap 120 acres of land in 15 days, how many acres of land can 20 men reap in 30 days?  Options:  A) 120  B) 240  C) 360  D) 1200  E) 480
10 men 120 acres 15 days   20 men ? 30 days   120 * 20/10 * 30/15   120 *2 * 2   120 * 4= 
<gadget id="calculator">120 * 4</gadget>
<output>480</output>
480   Answer:480
<result>E</result>
If 10 men can reap 120 acres of land in 15 days, how many acres of land can 20 men reap in 30 days?