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December 11th, 2017, 10:26 AM   #1
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Word problem solve using a system of equations

At a concession stand, 100 bottles of water and pretzels were sold for a total of \$250. If one bottle of water costs \$1.50 and one bottle of pretzel costs \$3.50, how many of each were sold?

Last edited by skipjack; December 11th, 2017 at 02:04 PM.
TheUrbanChiQ is offline  
December 11th, 2017, 11:30 AM   #2
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What have you done so far? It is hard to help you find what is wrong with your work if you do not show it.
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December 11th, 2017, 02:16 PM   #3
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It's rather obviously 50 bottles of each.

To use a system of equations, I suggest w + p = 100, with a second equation that incorporates the prices.
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