a fruit seller sells mangoes at the rate of rs . 12 per kg and thereby loses 15 % . at what price per kg , he should have sold them to make a profit of 5 %
"explanation : 85 : 12 = 105 : x x = ( 12 × 105 / 85 ) = rs 14.82 option d"
divide(multiply(12, add(const_100, 5)), subtract(const_100, 15))