Answer:
7 miles your friend run each day.
Step-by-step explanation:
As per the statement:
You run mile each day.
⇒ you run each day = miles.
It is also given that; Your friend runs 4 times as far as you do.
"4 times as far as you do" means miles
⇒ Your friend runs each day = 7 miles.
therefore, 7 miles your friend run each day