jjohn668 jjohn668 10-12-2020 Mathematics contestada Laura paddles in her canoe at a speed of 6 mph for 6 miles. She then hops on her windsurfer and sails for 12 miles at a speed of 6 mph. For how long does Laura travel? A. 108 hours B. 72 hours C. 3 hours D. 4 hours