Mathematics, 02.07.2019 08:30 oliviaschmitt0
Helen has 80 books to sell. each book is fiction or non-fiction. the ratio of the number of fiction books to the number of non-fiction books is 3: 1. each book has a normal price of £10. helen reduces the price of all the non-fiction books. [non-fiction. all books 1/2 price] helen sells all 80 books. work out the total amount of money helen will recieve.
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Helen has 80 books to sell. each book is fiction or non-fiction. the ratio of the number of fiction...
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