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a) a pumpkin pie costs $12.55 at a bakery. if the pie has a diameter of 12 inch. what is the cost per square inch of the pie?b) how many square inches of crust would it take to cover the bottom of a pie dish with a 18 inch diameter

Answer :

Solution

For this case we can find the area like this:

[tex]A=\pi(r^2)=\pi(6in)^2=113.097in^2[/tex]

Then we can find the cost per each square inch like this:

[tex]p=\frac{12.55}{113.097in^2}=0.111[/tex]

Part b

For this case we can do this:

[tex]A=\pi(\frac{18}{2}in)^2=254.469in^2[/tex]

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