Question

convert into 20 min 30 sec into sec​

Answer 1

Step-by-step explanation:

20minute 30 second...

Answer 2

1230 seconds

So...

60 seconds per min.   TIMES    20 minutes =  1200 seconds

            Plus 30 seconds= 1230 seconds in total

This is because each minute includes 60 seconds, so multiplying that by how many minutes you want to figure this out by will give you the conversion.