Greetings!
"<span>A rectangular parking lot at the mega-mall is 7/10 mile long and 1/4 mile wide. How much fencing is needed to enclose the lot?"...
This question is essentially asking to solve for the perimeter. The formula for the perimeter of a rectangle is:
</span>

Input the information we already know:

Find A common denominator.

Simplify.



Reduce to Lowest Terms.

or
1 9/10 miles of fencing will be required to enclose the entire lot.
Hope this helps.
-Benjamin
Bump for interest will answer in like 2m
Answer:
L = P/2 - W, or L = (P - 2W)/2
Step-by-step explanation:
If P = 2L + 2W, dividing all terms by 2 yields P/2 = L + W. Then:
L = P/2 - W, or L = (P - 2W)/2