Homework Help: math

Posted by amy on Thursday, August 2, 2012 at 3:45pm.

Last month a store sold 4 times as many tapes as CDs. If the total quantity of these two items sold was 360, how many tapes did the store sell?

math - Ms. Sue, Thursday, August 2, 2012 at 4:17pm
Let C = number of CDs.

C + 4C = 360

5C = 360

C = 72

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