At 8:00 a.m., there were 24 cars in the parking lot.
At 9:00 a.m., there were 48 cars in the same parking lot.
What is the percentage increase in number of cars in the parking lot between 8:00 a.m. and 9:00 a.m.?
Answer Choices
A. 20 \%
B. 48 \%
C. 72 \%
D. 100 \%
E. 124 \%