Ursula and Andre competed against each other in a swimming race. Ursula swam at a rate of 60 meters per minute and Andre swam at a rate of 48 meters per minute. Ursula gave Andre a 1-minute head start. How many minutes after Ursula started swimming did she catch up to Andre?
+36915 Andre has a head start distance = 1 min x 48 m/min = 48 meters
Ursala is swimming (60-48) = 12 meters /m faster and will catch Andre 48 m / 12 meters /m = 4 minutes after she starts.
+36915 Andre has a head start distance = 1 min x 48 m/min = 48 meters
Ursala is swimming (60-48) = 12 meters /m faster and will catch Andre 48 m / 12 meters /m = 4 minutes after she starts.
