25-06-2017
Mathematics

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Hannah has 127 books in her collection. Her school is hosting a book donation. There are z students at her school, and they each plan to donate the same number of books and reach a total donation of 300 books! How many books will Hannah have in her collection after her donation? Write your answer as an expression.

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texaschic101 texaschic101

25-06-2017

let n be the number of books that each student donates...
z * n = 300.....n = 300/z

the number of books Hannah will have left is :
127 - n =
127 - 300/z <==

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