He swam 45 minutes each day, 5 days a week, for 12 weeks.
t = 45 * 5 * 12 where total in minutes Sebastian swam
t = 2700 minutes
To calculate the average rate in laps per hour, we need to know t in hours.
There are 60 minutes in 1 hour, so T (in hours) = t(in minutes) /60
T = 2700 / 60
T = 45hours
Now we can determine the average rate in laps per hour
We know that Sebastian swam 45 hours.
We also know that Sebastian swam 1,800 laps.
The rate is determined by dividing the number of laps by the time swam in hours.
Rate = 1800 / 45
Rate = 40 laps per hour
Sebastian swam at an average rate of 40 laps per hour.