Answer:
25.2
Step-by-step explanation:
6/5 is 1.2, so it takes 1.2 minutes to run one lap.
This means 21 x 1.2 = the minutes it takes to run 21 laps around the track.
Therefore it takes 25.2 minutes to run around the track 21 times.
The answer is 45. 180-90=90. 90 divided by 2 is 45
Twelve and one hundred sixty-five thousandths
The answer is 17/25. Hope this helps! :) I know how you feel!