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Anonymous Anonymous
  • 20-01-2017
  • Mathematics
Answered

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? class=

Verified Answer :

Anonymous Anonymous
  • 20-01-2017

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

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figueroajorge1
figueroajorge1 figueroajorge1
  • 20-01-2017

the sodas are $1.50 and the pretzels are $1.25

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