A
B
60 80 100 120 140 160
time in seconds
a. Was the person walking faster between 20 and 40 seconds or between 80 and 100 seconds?
Select the correct choice.
between 20 and 40 seconds
between 80 and 100 seconds
4
total distance walk
1
15
10
5
20 40
5
8
Ку
K