There are two slices of pizza. The first one is 2/5 of a circular pizza with a radius 7 inches and costs $1. The second one is 2/3 of a circular...

There are two slices of pizza. The first one is 2/5 of a circular pizza with a radius 7 inches and costs $1.30. The second one is 2/3 of a circular pizza with radius 9 inches and costs $3.39.

(a) Calculate the area of the first slice in the space below.

(b) Calculate the area of the second slice in the space below

(c) How many square inches of the first slice does one dollar buy you?

(d) Which of the two slices gives you more pizza per dollar?