Question 1170679
.
<pre>

    x + (7x +5) = 154/2


    x + 7x = 77 - 5

    8x     = 72

     x     = 72/8 = 9.


<U>ANSWER</U>.  The dimensions of the rectangle are are 9 feet and 7*9+5 = 68 feet.
</pre>

Solved.