a dishonest dealer professes to sell goods at the cost price but uses a weight of 852 grams per kg , what is his percent ?
"852 - - - 148 100 - - - ? = > 17.37 % answer : c"
subtract(multiply(divide(const_100, 852), multiply(const_100, multiply(add(const_3, const_2), const_2))), const_100)