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Tickets to a play c… - QuestionCove
OpenStudy (anonymous):

Tickets to a play cost $5 at the door and $4 in advance. The theater club wants to raise at least $400 from the play. Two students did a problem as above, ^^^^^^^^^^ but one used x for the first variable and y for the second variable and the other student used x for the second variable and y for the first variable. How did their answers differ and which one, if either, was incorrect?

4 years ago
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