330 minutes
Make it easy by converting the hours into minutes, and then divide:
1 hour = 60 minutes
2 hours = 120 minutes
3 hours = 180 minutes
4 hours = 240 minutes
5 hours = 300 minutes
+
1/2 hour = 30 minutes
330 minutes
Now divide by 2/3 or divide by 3 and multiply by two:
330 / 3 = 110 • 2 = 220
He drove for 220 minutes, and converted, he drove for 3 hours and 40 minutes.
