【其它话题】愁死了，小三数学题怎么做？在线等指教！Candice makes gift boxes during her free time.
She charges 40 cents for a triangular box, 50cents for a heart-shaped box and 60 centss for a cylindrical box.
Last sunday, she sold 16 diffierent types of gifts boxes and collected a total of $8.
How many of each type of box did she sell?
受不了，文科生太费脑。求各路高手指教。该帖荣获当日十大第2，奖励楼主18分以及27华新币，时间：2016-04-27 22:00:01。
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大神推荐几本可以教小孩的书呗，@人在狮城2016 @滚雪球,理科生表示只会解方程啊
这样的问题觉得解个方程就得了，，，可是考的不是方程。恩恩，还是学学应该怎么教小孩吧，，提早学，想买几本书看看。
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