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What was the price of one drink? And what was the price for one pretzel?
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What was the price of one drink? And what was the price for one pretzel?

What was the price of one drink? And what was the price for one pretzel?-example-1
User Amsiddh
by
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2 Answers

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the sodas are $1.50 and the pretzels are $1.25
User Ehrhardt
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d for drinks
p for pretzel

3d + 3p = 9
3d = 9 -3p
d = 3 - p

replace d = 3 - 9 into 4d + 2p = 8.5
4d + 2p = 8.5
4(3 - p) + 2p = 8.5
12 - 4p + 2p = 8.5
-2p = 8.5 - 12
-2p = -3.5
p = 1.75

answer: the price for one pretzel was $1.75
User Garethm
by
6.1k points
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