Question 565303
width of 3X+5,  

the length is twice this

2(3x+5)

Perimeter = 2(L+W)

228 = 2((3x+5)+2(3x+5))

228=2(3x+5+6x+10)

228=2(9x+15)

228=18x+30

-30
198=18x
/18
x=11 

W _38_____, L ___72_______ Area ____2736 sq. units_______