Answer:
Step-by-step explanation:
its 295.
see in the picture, the perimeter of this rectangle is
2( x + 3x) = 8x but the perimeter is 65.6
=> 8x = 65.6
<=> x = 65.6/8
=> x = 8.2
-18 + x = -11
Let's add 18 to both sides
x = 7
