the average age of 9 men increases by 4 years when two women are included in place of two men of ages 36 and 32 years . find the average age of the women ?
"explanation : 36 + 32 + 9 * 4 = 104 / 2 = 52 answer : c"
divide(add(add(36, 32), multiply(9, 4)), const_2)