Answer:
4 miles per hour
Step-by-step explanation:
We can divide 45 minutes by 3 to get 15 minutes:
So that is 1 mile in 15 mins
Then we multiply both sides by 4 to get 60 mins:
4 miles in 60 mins
So his rate was 4 miles per hour
hope it can help you,x=-5,x=2
calculation is given in the picture