the list price of an article is rs . 70 . a customer pays rs . 61.74 for it . he was given two successive discounts , one of them being 10 % . the other discount is ?
"explanation : 70 * ( 90 / 100 ) * ( ( 100 - x ) / 100 ) = 61.74 x = 2 % option d"
multiply(divide(subtract(subtract(70, multiply(70, divide(10, const_100))), 61.74), subtract(70, multiply(70, divide(10, const_100)))), const_100)