Question

A swimmer had lap times of 38,36,37 and 33 seconds on four different occasions.What was the swimmer's average lap time?

Answer 1

38+36+37+33=144
144/4=36
The swimmer has an average lap time of 36 seconds

Answer 2

38+37+36+33=144, 144÷4=36, so his average lap time was 36 seconds.