【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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还挺费脑筋的
triangular box数量=x
heart-shaped=y
cylindrical=z
其实如果所有盒子的价值能成为整数，好像x和z的数量一样就行了。
所以假设x=z.
2x+y=16,
0.4x+0.5y+0.6x=x+0.5y=8
最后的答案就有很多种,
if x=z=1,,y=14
if x=z=2,y=12
if x=z=3, y=10
.......
heart-shaped=y
cylindrical=z
其实如果所有盒子的价值能成为整数，好像x和z的数量一样就行了。
所以假设x=z.
2x+y=16,
0.4x+0.5y+0.6x=x+0.5y=8
最后的答案就有很多种,
if x=z=1,,y=14
if x=z=2,y=12
if x=z=3, y=10
.......
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