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Mathematics 8 Online
OpenStudy (anonymous):

Golden oldies record store had cassettes on sale for $7 each and CDs on sale for $12 each. They sold 100 more CDs than cassettes. If total sale was $3,898 how many cassettes did they sell?

OpenStudy (precal):

wonder if people still know what a cassette is

OpenStudy (precal):

systems of equations

OpenStudy (anonymous):

Yes

OpenStudy (precal):

call one x and the other y

OpenStudy (precal):

|dw:1350332027238:dw|notice how I put all the dollars together

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