Simple math problem. Maybe I can write the common core version:
1 hour = 60 minutes.
60 minutes is 6 tens
80 miles is 8 tens.
So you remove the tens and you have 6 and 8.
8-6=2
Add 2 to 6 and you get 8.
So, 8=8.
Divide each number by 8 and it gives you 1.
So 1=1.
It takes one hour to go 80 miles at 80 miles an hour.
Dang. It’s so simple.