Ana L.

# im not sure where to go from here. can someone help me? IM IN DESPERATE NEED

Central Perk Coffee Shop sells a specialty drink at $2.60 per cup. The shop sells about 200 cups per day. Customer surveys show that for every$0.05 decrease in price, the shop will sell 10 more cups per day. At what coffee price(s) will they earn a profit of \$630?

Okay so I found the vertex which is (16, 648) but I'm not sure where I should input 630 to receive the coffee prices.

## 2 Answers By Expert Tutors

By:

Ana L.

Thank you!! I really appreciate your help. I wanted to use the quadratic formula to get my answer. But, you got -200(P - 1.8)^2+ 648 = 630. I got -0.5(x-16)^2 + 648 = 630. Where did you get the 1.8?
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10/24/20

Ana L.

Nevermind. I got it! Thank you so much (:
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10/24/20

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