Answer:
I THINK C
Step-by-step explanation:
It’s operations Srry if I get it wrong
Answer:
Part a) The length of the mat is
Part b) The area of the mat is 
Step-by-step explanation:
step 1
Find the length
Let
L-----> the length of the rectangle
W---> the width of the rectangle
we know that
The perimeter of rectangle is


so

----> equation A
-----> equation B
substitute equation B in equation A

solve for W


Find the value of L
step 2
Find the area
The area of rectangle is equal to

substitute the values

Answer:
What is your question..????
A. 80 students
B. 12 students