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20 books are 20$ 30 books are 75$ and 40 books are 100$ WHAT IS THE ANSWER
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20 books are 20$ 30 books are 75$ and 40 books are 100$ WHAT IS THE ANSWER

User CVA
by
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1 Answer

3 votes

assuming you're trying to find 50 books = $n

n = 160$

User Maddison
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