FERMAT 2021 Problem 14

Natascha cycles 3 times as fast as she runs. She spends 4 hours cycling and 1 hour running. The ratio of the distance that she cycles to the distance that she runs is

Answer Choices
A. 12: 1
B. 7: 1
C. 4: 3
D. 16: 9
E. 1: 1