if 6 men can reap 60 acres of land in 10 days , how many acres of land can 12 men reap in 20 days ?
"6 men 60 acres 10 days 12 men ? 20 days 60 * 12 / 6 * 20 / 10 60 * 2 * 2 60 * 4 = 240 answer : c"
multiply(60, multiply(divide(12, 6), divide(20, 10)))