Conversion Rates: Understand the conversion rates between minutes and seconds.There are 60 seconds in 1 minute.
Convert Minutes to Seconds: Convert the minutes to seconds.Since there is 1 minute, we multiply it by 60 to convert it to seconds.1 minute ∗60 seconds/minute =60 seconds
Add Additional Seconds: Add the additional seconds to the total from Step 2.We have 60 seconds from the 1 minute and an additional 30 seconds.60 seconds +30 seconds =90 seconds