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Mathematics, 06.07.2021 18:30 XAINEE
A used book store also started selling used CDs and videos. In the first week, the store sold a combination of 40 CDs and videos. They charged $4 per CD and $6 per video and the total sales were $180. How many more CDโs were sold than videos?
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A used book store also started selling used CDs and videos. In the first week, the store sold a comb...
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