at what price must an article costing rs . 47.50 be marked in order that after deducting 5 % from the list price . it may be sold at a profit of 30 % on the cost price ?
"cp = 47.50 sp = 47.50 * ( 130 / 100 ) = 61.75 mp * ( 95 / 100 ) = 61.75 mp = 65 answer : c"
divide(multiply(add(47.50, divide(multiply(47.50, 30), const_100)), const_100), subtract(const_100, 5))