The answer is B
Hope it helps!
Answer:
Answer is 81.
Step-by-step explanation:
Given two expressions are
and 
Now we divide first expression by the second.


Therefore 81 is the answer.
Let X = length.. the perimetrrbis thus 2*60+2x=300,ft
2x=180
x=90
60×90ft or 20×30yds
The last three ones equal .375 which is the product of 0.75*0.5