the length of a rectangular room is six times as long as the width.the perimeter is 84 yards find the width

Question

saifoo.khan · Answer

width = x, length = 6x

Perimeter = 2(L+B)
                = 2(6x + x)

saifoo.khan · Answer

width = x, length = 6x

Perimeter = 2(L+B)
                = 2(6x + x)
     
You know the perimeter already. So plug it in.

anonymous · Answer

okay so its 84=2(6x + x)
now to i solve

saifoo.khan · Answer

Solve for x.

anonymous · Answer

x=6 is this correct?
 and what else do i have to do

anonymous · Answer

?

saifoo.khan · Answer

Right. Now that is x.
And x was width.
So your width is 6.

anonymous · Answer

oh okay thank you very helpful just wanted to make sure the answer was correct

saifoo.khan · Answer

Now, you can find the length too, right?

anonymous · Answer

yea which is 6x 
if x=6
replace it meaning 6(6)= 36

saifoo.khan · Answer

Perfect.