Bill and Ted split an excellent pizza with a \(20\)-inch diameter. Bill ate \(\dfrac25\) of the pizza; Ted ate

Bill and Ted split an excellent pizza with a \(20\)-inch diameter. Bill ate \(\dfrac25\) of the pizza; Ted ate \(\dfrac14.\) If there are \(3\) and a half slices leftover, what was the area, in square inches, of each individual slice?

A. \(2\pi\)
B. \(5\pi\)
C. \(10\pi\)
D. \(20\pi\)
E. \(40\pi\)

Answer: C

Source: Veritas Prep