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Q: You run 7 miles in one hour and 21 miles in three hours?
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What is the answer for this 7 miles in one hour plus 21 in three hours?

Total = 28 miles in 4 hours, average speed = 7 miles per hour.


One morning martin drove 80 miles in 2 hoursafter lunch he covered 100 miles more in 3 hourswhat was his average rate of speed in miles per hour for the 5 hours of driving?

two hours at forty miles an hour. three hours at 33.333 miles an hour 180/5= 36 miles an hour


How long would it take to drive 211 miles driving 70 miles an hour?

Three hours and one minute, three lots of seven are in 210 miles.


How do you find the rate of change in this question You run 7 miles in one hour and 21 miles in three hours?

The change in distance divided by the change in time. (21-7 miles)/(3-1 hours)=14/2=7 miles/hour or 7 mph.


How long will it take to drive 126 miles?

It depends how fast you drive. 126 miles per hour? one hour. 63 miles per hour? two hours. 31.5 miles per hour? four hours.


How long will it take to canoe three miles?

Half an hour down stream one and a half hours upstream if the water is running at about 1 mile an hour.


64 miles in hours?

About one hour at 65mph


If you are traveling 80 miles per hour how many miles will you go in one hour?

80........ Miles per hours, get it


How many hours is 57 miles?

One if you are traveling at 57 miles an hour.


How many hours will take to drive 80 miles at speed of 80 miles per hour?

one hour


How may miles can the average human walk an hour?

the average human can walk three miles in one hours. I find I can would about 1 mile in 20 minutes so that would make it 3 miles in an hour. "Keep on Truckin"


How many miles can you drive at 75 miles per hour?

It depends how long you have like one hour is 75 miles, but two hours is 150 miles.