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Mr.Williams bought 30 muffins and pies. Each muffin cost 2.50 dollars and each pie cost 4.50$. The pies cost 9$ more than the muffins. How many of each item did he buy?


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winterbear626

Answer:

18 muffins and 12 pies

Step-by-step explanation:

number of pies = x

number of muffins = 30-x

cost of pies = 4.5x

cost of muffins = 2.5(30-x)

4.5x - 2.5(30-x) = 9

4.5x - 75 + 2.5x = 9

7x = 84

x = 12

so he bought 12 pies and 18 muffins

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