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Yakvenalex [24]
3 years ago
7

8. A music store sells used CDs for $9. They buy used CDs for $4. You have $50 to

Mathematics
1 answer:
Marat540 [252]3 years ago
7 0

Answer: 9x+4=50

Step-by-step explanation:

In this case, we're looking at how many you can buy, not how many CD's you own.

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