Question

Step by step please ​

Answer 1

32.4 seconds

Explanation:

1) For 2.5 laps it took Chris 81 seconds. To find out one lap you must divide them.

2) 81 ÷ 2.5 = 32.4

3) This means that for one lap it must take 32.4 seconds

Hope this helps, have a great day!

Answer 2

32.4 seconds per lap

Explanation:

Average time per lap = Time / # of Laps

Time = 81 seconds and # of laps = 2.5

So average time per laps = 81 / 2.5 = 32.4 seconds per lap