SOLUTION: A runner covers 5 miles in 45 minutes. How far, running at the same rate, can the runner run in an hour?

Question 686523: A runner covers 5 miles in 45 minutes. How far, running at the same rate, can the runner run in an hour?
Answer by josh_jordan(263) (Show Source): You can put this solution on YOUR website!
To solve, we must set this word problem up in the form of an equation. Since the runner covers 5 miles per 45 mins, and we know that 60 min = 1 hour, we would set the equation up as such:
=

Now, we can reduce the first fraction to
So,

To solve for x, cross multiply:
=

Divide both sides of the equation by 9:

Which gives us:

So, the runner can run approximately 6.67 miles in 1 hour.
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