what annual installment will discharge a debt of $ 100 due in 3 years at 10 % simple interest ?
let each installment be x [ x + ( x * 10 * 1 / 100 ) ] + [ x + ( x * 10 * 2 / 100 ) ] + x = 100 11 x / 10 + 12 x / 10 + x = 100 x = 30.3 answer is c
multiply(multiply(100, divide(10, const_100)), 3)