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OpenStudy (anonymous):
2 sandwiches and 1 drink is $7.50. 5 sandwiches and 2 drinks is $18.00. How much is each sandwich?
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OpenStudy (anonymous):
$ 3
OpenStudy (anonymous):
lets say one sandwich costs $S. lets say one drink costs $D. can you write an equation that represents the first statement, namely 2 sandwiches and 1 drink is $7.50?
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