Question

one day you warm up (on a bike) for 15 minutes at a rate or 0.1 miles per 25 seconds and then you ride hard for 12 miles. what total distance did u cover?

Answer 1

Distance covered durig warm up is 15 x 60 x 0.1/25 = 3.6 miles
Total distance covered = 12 + 3.6 = 15.6 miles.