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a couple buys one bag of popcorn and two drinks for $5.75. a group of teenagers buys 2 bags of popcorn and 5 drinks for $13

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1 Answer

p+2d=5.75
2p+5d=13.00
Multiply first equation by 2
2p+4d=11.50  Subtract from second equation
d=1.50  Substitute into first equation
p+3=5.75
p=2.75