Answer:
He has to run a total of 12 miles and has 3 more miles to run
Explanation:
Well we know that 3/4 is 9 out of the total miles he is willing to run. We can divide 9 by 3 to get 1
Now we know 1/4 of his run is 3 miles
3*4= 12
He has to run a total of 12 miles and has 3 more miles to run