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Of 410 consumers polled, some purchases music on CDs, some only download music, and some do both. If 290 people polled purchase CDs, and 220 purchase CDs and download music, how many people download music?

a. 340
b. 120
c. 70
d. 220***

3 answers

http://www.jiskha.com/display.cgi?id=1447186689

b.120 i think

the answer is 340
so A.

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