Answer:
37.5 laps
Step-by-step explanation:
If we assume that Bill can run at the same speed for 45 minutes, the number of laps will be proportional to the time.
laps/time = 10 laps/(12 minutes) = n laps/(45 minutes)
n laps = (10 laps)(45/12) = 37.5 laps . . . . . multiply by 45 minutes
Bill can run 37.5 laps in 45 minutes.
