1 hour
1 hour.
One hour.
"80 miles per hour" means "at the speed of 80 miles in one hour" so it would take one hour to drive 80 miles at 80 miles per hour.
1,000 / 80 = 12.5 hours
It will take: 142/80 = 1.775 hours
4.16hrs
about 3 hours (80 miles for each hour)
Time = Distance / Speed = 134 miles / 80 mph = 1.675 hours
One hour!!
530 / 80 = 6.625 hours
1 hour.