from 2 and half minutes to 3 minutes.
150 minutes.
1,314,871.915 minutes.
150 minutes = 2 and a half hours.
150 minutes
2 or 4.5 min.
60 minutes in an hour; 30 minutes in a half hour. 5 and 1/2 = 330 minutes
1 hour, 2 minutes and 30 seconds.
There are 150 minutes in 2+1/2 hours; there are 60 minutes per hour.
60 minutes in an hour divided by 2( in other words cut in half) is 30, half an hour.
A bacteria splits in half after 20 minutes, so that after 20 minutes there are 2 bacteria, and after 40 minutes there are 4 bacteria. How many bacteria will there be after 2 hours?
2 hours, 40 minutes