04-12-2014
Mathematics

Answered

Gisela is putting her 35 CD into categories. She has 11 that are pop music, and she has 3 times as many rock CDs as she has classical. How many rock CDs does Gisela have?

Answer :

winniemilk2 winniemilk2

04-12-2014

r + c=24
r=3c
3c+c=24
x=6
So there are 18 rock CDs

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