I believe the answer should be 18. Try
Answer:

Step-by-step explanation:
see the attached figure to better understand the problem
we know that
In a parallelogram opposites sides are parallel and congruent
so
In this problem
---> by opposite sides
substitute the given values

solve for x

Find the length of SV

substitute the value of x

It would be: 20* 10 = 200 ft²
so, the carpet should have the area of about 200 ft²
Answer:-3x+12
Step-by-step explanation: