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Iteru [2.4K]
4 years ago
15

There are three shelves.each shelf has 28 books.there is also a stack of some more books.there are a total of 85 books.which equ

ation represent this situation
Mathematics
1 answer:
Charra [1.4K]4 years ago
8 0
3s+28=85, take away 28 from both sides of the equals to give you 3s=57, divide by 3 on both side to give you s=19.
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