Hrs-150.
150 minutes
2 or 4.5 min.
2 + 2.5 = 4.5 minutes = 270 seconds
There are 150 minutes in 2+1/2 hours; there are 60 minutes per 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?
150 minutes.
2 or 4.5 min.
150 minutes
60
60 minutes in an hour; 30 minutes in a half hour. 5 and 1/2 = 330 minutes
2 + 2.5 = 4.5 minutes = 270 seconds
There are 150 minutes in 2+1/2 hours; there are 60 minutes per 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?
41/2 hours is 270 minutes.
150 minutes in 2 1/2 hours (60 * 2.5 = 150)
1 and a half. There are one and a half minutes in one and a half minutes.
there are 90 secs in 1 and 1/2 minutes