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3 drinks and 2 pretzels costs $16, but 5 drinks and 5 pretzels costs $31.25. What is the price of one pretzel?
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3 votes
3 drinks and 2 pretzels costs $16, but 5 drinks and 5 pretzels costs $31.25. What is the price of one pretzel?

User Pilo
by
8.6k points

1 Answer

5 votes
(3d + 2p = 16)5
(5d + 5p = 31.25)3
Make them same d value
15d + 10p = 80
15d + 15p = 93.75
Subtract both (elimination)
-5p = -13.75
Divide by -5
p = 2.75
Answer: $2.75 per pretzel
User Iduoad
by
8.3k points
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