Griffin bakes a perfectly circular pizza with a diameter of 10 inches, and he sells is for 0.25 per square inch. What is the cost for the entire pizza? Express your answer to the nearest whole dollar.
Radius = 5 in
Area = pi *5^2 = 25pi in^2
Cost = 25 pi * 25 cents = 625 pi cents ≈ 1963 cents ≈ $19.63
