Answer:
Monday
Explanation:
Day 1 (Monday):
10 minutes to seconds: 10 x 60 = 600 seconds
= 0.67 m/s
Therefore day 1 she ran at 0.67 m/s
Day 2 (Tuesday):
25 minutes to seconds: 25 x 60 = 1500 seconds
= 0.55 m/s
Therefore day 2 she ran at 0.55 m/s
She was faster day 1 (Monday)!