if rs . 440 amount to rs . 540 in 4 years , what will it amount to in 6 years at the same rate % per annum ?
"80 = ( 440 * 4 * r ) / 100 r = 5.68 % i = ( 440 * 6 * 5.68 ) / 100 = 150 440 + 150 = 590 answer : c"
subtract(multiply(subtract(540, 440), 6), subtract(540, 440))