Answer:
Each lap took him 48 seconds
Step-by-step explanation:
Pierce swims 10 laps in 8 minutes.
Let the amount of time he spent for each lap = t minutes.
Then, since each lap takes equal time, the total time taken for 10 laps = 10t minutes.
But, it is given that the total time taken for 10 laps = 8 minutes.
Therefore,
10t = 8
Divide both sides by 10.
t = 0.8 minutes or
t = 48 seconds