# math

5 hockey pucks and three hockey sticks costs \$23. 5 hockey pucks and 1 hockey stick costs \$20. How much does 1 hockey puck cost?

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1. 5p + 3s = 23
5p + s = 20

s = 20 - 5p

5p + 3(20-5p) = 23
5p - 60 - 15p = 23
-10p = - 37
p = 3.70

s = 1.50

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Ms. Sue

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