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The book fair had a sale where 6 books were $20.34. If you wanted to buy 7 books, how much money would you need

User Radj
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2 Answers

5 votes

You would need $23.73

How did i get it i divded 20.34 by 6 which equals 3.39 you multiply 3.39 and 7 which gives you $23.73.

User MC ND
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$20.34/6 = X/7

using cross products

20.34*7 =x*6

divide each side by 6

20.34 *7/6 =x

x=$23.73

User Viveksuggu
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