susanalice susanalice

Today at 3:00 AM
Mathematics

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Mark has 30 cd's. 40% are country music. 30% pop music. How many CDs are other types of music?

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andyouyang21 andyouyang21

Today at 3:06 AM

So first you add 40 percent and 30 percent to get 70 percent. After you do that subtract it from 100 to get 30. 30% times 30 is 9 so the answer is 9 cds.

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MATHGURU17 MATHGURU17

Today at 3:05 AM

9 cd's because you multiply .7*30 and that is 21 so 30-21=9

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