Using Communative Property, We can switch the equation around to make it look the same.
Answer:
16 feet
The length and the feet long are the same thing in this situation.
A- It will be smaller, because we're finding a part of a number, and it's no more than 100 percent.
B- It would be greater. It's more than 100 percent, which accounts for the whole value, and goes even more.
Hope this helps!