Shelby B.

asked • 01/26/15

at a survery it was found that.. how many people were surveyed

12 listen to rock, 11 listen to classic, 14 listen to jazz. 8 listen to rock and jazz, 9 listen to jazz and classic, 5 listen to rock and classic, 8 listen to none of these, and 3 listen to all three. How many people were surveyed?

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