90 minutes to 20 minutes
To convert 90 minutes to 20 minutes, you can divide 90 by 20.
90 minutes / 20 minutes = 4.5
Therefore, 90 minutes is equal to 4.5 times 20 minutes.
90 minutes / 20 minutes = 4.5
Therefore, 90 minutes is equal to 4.5 times 20 minutes.