The cake is 64 slices
Explanation:Area of the cheesecake is
[tex]A=\frac{30\pi}{12}in^2[/tex]Also, diameter = 8 inches. Radius = 8/2 = 4 inches.
[tex]A=\pi r^2[/tex]Therefore;
[tex]4^2\pi=16\pi[/tex]Finally, number of slices is:
[tex]\frac{16\pi}{\frac{30\pi}{12}}=\frac{16\times12}{30}=\frac{192}{30}=64[/tex]