Answer:

So for this case the best answer would be:
d. 218’
Explanation:
Previous concepts
Foot front : "Is a foot measured along the front of a piece of property".
Solution to the problem
For this case we need to begin finding the number of frontage feet, with the following formula:

And for this case if we replace the values given we got:

Now we need to convert the area to square feet. And we know that:

And converting we got:

Now we can divide the total area by the total of frontage feer and we got:

So for this case the best answer would be:
d. 218’