Natalie compared the circumference of her bicycle tire to the circumference of the tire on her mother's car. Her bicycle tire had a radius of 10 inches. The car tire had a radius of 18 inches.
What was the difference in the circumferences of the two tires? Use π = 3.14.
A. 8 inches
B. 12.56 inches
C. 25.12 inches
D. 50.24 inches