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Mathematics 13 Online
OpenStudy (anonymous):

you are buying gifts for ten people and you are planning to buy each person either a cd or a dvd. Cd=12 dollars DVD=20 dollars a. let c=the number of cd you decide to buy. what is an expressions in terms of c for the number of DVD you buy

OpenStudy (anonymous):

a) 12c. Because you don't know how many cds you are going to buy, therefore c (determines the number of cps) times 12 because that is the price of one cd

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