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Cakes and sundaes

Algebra Level 1

Given that

the price of 2 sundaes and 1 cupcake is $17, and
the price of 1 sundae and 1 cupcake is $10.

Find the price (in $) of 1 cupcake.

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Excel in math and science

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including olympiad champions, researchers, and professionals.

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by Annie Li

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