Answer:
y = x + m
Explanation:
The equation is as follows;
Let us suppose the total miles runs each week be y
And, the number of more miles she need to run this week be m
And, she run this week be x
So, the equation would be
y = x + m
m = y - x
= 24 miles - 16.5 miles
= 7.5 miles
Hence, the 7.5 miles would more miles she should run this week