Mathematics, 07.12.2020 19:20 bandzlvr

Please help! I need this fast. A music store sells regular CDs for $8.50. On average, the store sells 90 CDs every day. For each 50-cent increase in the price of regular CDs, the sales of CDs will go down by 5. What should the CD price be to get the most income from CD sales?

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Please help! I need this fast. A music store sells regular CDs for $8.50. On average, the store sel...

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