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Mathematics 15 Online
OpenStudy (mac123):

youre buying gifts for 10 pople. you buy each person a cd/dvd. CD=$12 DVD=$20 what is an expression in terms of c for the number of DVD's you buy?

OpenStudy (anonymous):

Is there a budget constraint? i.e. is there some maximum amount of money you can spend in total?

OpenStudy (anonymous):

I guess that doesn't matter since it's ten items total, so the number of DVD's is 10-#CD's

OpenStudy (mac123):

thank you sooooo much (:

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