20
16 hours.
65 miles per hour .. In math, per is a key word that lets you know there is division. 65 miles / 1 hour = Speed 1200 miles / ? hour = 65/1 which is the same as ? hour/1200 miles = 1/65 ? hour = 1200/65 18.46 = how long it takes to drive 1200 miles at 65 mph.
Distance = Speed x Time Time = Distance / Speed = 1200 miles / 65 Miles per Hour 18.4615385 Hours
It takes approx 21 hours 49 minutes and 5 seconds.
20 hours at 60 mph
You would divide distance by time and get that it would take 20 hours to drive 1200 miles at 60 mph.
18 hours 27 minutes.
48 minutes. I wrote a proportion, 20:x=25:60, cross multiplied, and you get 1200=25x. Divide 1200 by 25 and you get 48.
30 minutes (mph= miles per hour)
It takes five and a half hours to drive 253 miles at 46 mph.
7 hours to drive 420 miles going 60 mph.