a dishonest dealer professes to sell goods at the cost price but uses a weight of 750 grams per kg , what is his percent ?
"750 - - - 250 100 - - - ? = > 33.33 % answer : b"
subtract(multiply(divide(const_100, 750), multiply(const_100, multiply(add(const_3, const_2), const_2))), const_100)