Solution is x = 4.
The answer is 4 years ago.
Let x be the length.
Then the perimeter is given by the formula : 2(20+x)=40+2x.
Area of the dance floor:
Answer: c= -4
Step-by-step explanation:
14=-2c-6-3c
Add 6 on both sides
= 20=-2c-3c
Simplify on both sides
= 20=-5c
Divide by -5 on both sides
= -4=c
I think that is the answer.