Answer :
So here:
Basically the problem is saying
1 mile = 1/3
If this is changed into a "ratio", it becomes
1 mile = 1/3 : 3 miles = 3/3.
The answer is
Alexander needs to ride 3 more miles.
Basically the problem is saying
1 mile = 1/3
If this is changed into a "ratio", it becomes
1 mile = 1/3 : 3 miles = 3/3.
The answer is
Alexander needs to ride 3 more miles.