SOLUTION: three pretzels and one cup of soda costs $2.75. two pretzels and one cup of soda costs $2.00. find the cost of a pretzel and the cost of a cup of soda.
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Question 696897: three pretzels and one cup of soda costs $2.75. two pretzels and one cup of soda costs $2.00. find the cost of a pretzel and the cost of a cup of soda. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! three pretzels and one cup of soda costs $2.75. two pretzels and one cup of soda costs $2.00. find the cost of a pretzel and the cost of a cup of soda.
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Equations:
3p + s = 275 cents
2p + s = 200 cents
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Subtract and solve for "p":
p = 75 cents (cost of one pretzel)
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Solve for "s":
2p + s = 200
2*75+s = 200
s = 50 cents (cost of one soda)
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Cheers,
Stan H.
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