Answers

2015-11-25T12:44:57+08:00
Let x be the total number stickers. So,
x - 2/5 x - 5/9 x = 80
3/5 x - 5/9 x = 80
2/45 x = 80
x = (80)(45)/2
x = 3600/2
x = 1800
So, there are 1,800 stickers at first.

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