First, determine how far he ran in meters
20 laps * 600 meters
12000 meters
We can find the number of kilometers by using the conversion factor 1000meters = 1 km
12000meters * 1 km/1000m = 12 km
Now we can convert km to miles
1 km = .62137119 miles
12 km * .62137119 miles/ 1 km
7.45645428
Rounding to 2 decimal places
7.46 miles