To convert 20 minutes into decimal form, you start by understanding that one hour is equal to 60 minutes. To express minutes as a fraction of an hour, you divide the number of minutes by the total number of minutes in an hour.
So, for 20 minutes:
20 minutes รท 60 minutes/hour = 0.3333… (repeating)
This means that 20 minutes is approximately 0.33 when rounded to two decimal places. Thus, in decimal form, 20 minutes is expressed as 0.33 hours.