Candy hearts were marked down from 30% to 50% on Vanlentime's day .The following day ,candy hearts were marked down an additional 25%, what was the lowest cost of a candy heart that originally sold for 28$?
答案是7 。怎么算出来的。。。。作者: Jeffrey-N 时间: 2013-4-1 21:18
我也不太明白“What was the lowest cost of a candy?",给出的30%和问题的联系在哪?麻烦告诉帮忙下作者: togetherus 时间: 2013-4-2 06:34