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Mathematics 7 Online
OpenStudy (highschoolmom2010):

There are 8 online songs that you want to download. If you only have enough money to download 3 of the songs, how many different groups of songs can you buy?

OpenStudy (anonymous):

so you have 3 slots to fill, right? how choices to fill the first slot? the second? the third?|dw:1394389039748:dw|

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