SOLUTION: if a train travels 60 mph for 20 minutes, how many miles have they gone?

Question 250709: if a train travels 60 mph for 20 minutes, how many miles have they gone?
Found 2 solutions by justinz, jsmallt9:
Answer by justinz(4) (Show Source): You can put this solution on YOUR website!
i think it is 3 i divided 60 by 20 and got 3
Answer by jsmallt9(3758) (Show Source): You can put this solution on YOUR website!
The equation we will use is:
d = rt
where "d" is the distance traveled, "r" is the rate (or speed) and "t" is the time.

The important things to notice in this problem are that the speed in "miles per hour" and the time is in minutes. We have to change the minutes to hours or change the speed to miles per minute. (Either way you'll get the same answer.

Changing the minutes to hours. 20 minutes is 1/3 for an hour. The equation is now:
d = 60(1/3) = 20 miles

Changing the speed to miles per minute. Since there are 60 minutes in an hour, a speed of 60 miles per hour would be 1 mile per minute. The equation is now:
d = 1(20) = 20 miles
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