every year an amount increases by 1 / 8 th of itself . how much will it be after two years if its present value is rs . 3200 ?
"3200 * 9 / 8 * 9 / 8 = 4050 answer : d"
add(add(3200, multiply(divide(1, 8), 3200)), multiply(divide(1, 8), add(3200, multiply(divide(1, 8), 3200))))