The perimeter of a rectangle is 656 yards.The ratio of the length to width is 5:3. What is L and W?

Question

The perimeter of a rectangle is 656 Yds.  The ratio  of hte length to its width is 5:3.  What is the length and width of the rectangle?  What formula do I use?

Answer 1

rim-leng=656, so half-rim=328

leng+2ide=half-rim=328

5+3=8, so yunit=328/8=41

thus, wide=3*41=123

leng=5*41=205