mathmeasurement
posted by kayla on .
How do i subtract 20 minutes 45 seconds from 1/2 hour

1/2 hr= 29min 60 sec
then minus 20min 45 sec
9 min 15 sec
posted by kayla on .
How do i subtract 20 minutes 45 seconds from 1/2 hour
1/2 hr= 29min 60 sec
then minus 20min 45 sec
9 min 15 sec