a jewelry dealer initially offered a bracelet for sale at an asking price that would give a profit to the deal of 40% of the original cost. what was the original cost of the bracelet?
a.after reducing this asking price by 10%, the jewelery dealer sold the bracelet at a profit of $403
b. the jewelry dealer sold the bracelet for $1953
答案为A,请问B如何不对呢 ?谢谢! |