robby runs for 5 minutes . he walks for 10 minutes . he runs for 7 minutes. he walks another 4 minutes .he runs again for 8 minutes and walk againfor 3 minutes .what is the range of minutes robby runs?
5, 7, 8
8 - 5 = ?
http://www.purplemath.com/modules/meanmode.htm
To find the range of minutes Robby runs, we need to add up the total time he spends running.
First, let's sum up the running time:
5 minutes + 7 minutes + 8 minutes = 20 minutes
So, Robby runs for a total of 20 minutes.