【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。 (more...)