First we have to write down the informations we already have:
4miles......... 32minutes
24miles........ X (we write down x because we donť know)
Now we have to count.
X= 32: 4= 8
(One mile is 8minutes.)
X= 8x 24= 192
(We have to multiple it because we don't have only 1 mile.)
X= 192: 60= 3hours and 12 minutes
(We don't want it in minutes)
X= 3h 12min
Kelly' s run took 3hours and 12 minutes to run.