Answer :
Answer
Explanation
(a) The first step is to arrange the numbers of laps in ascending order:
78, 79, 81, 82, 84, 85, 86, 87, 88, 89.
Answer
Explanation
(a) The first step is to arrange the numbers of laps in ascending order:
78, 79, 81, 82, 84, 85, 86, 87, 88, 89.