B is correct
I just took it
Let x = width
x+1 is then the length
2x+2(x+1)=66
2x+2x+2=66
4x=64
x=16
deck will be 16x17, nice for a BBQ. :)
43.0810
Since the hundred thousandths is a 1 which is less than a 5, you have to round down.
Your answer would be 5.10... Hope this helps :)
