
originally. Then you reduces the side lengths a so it will be

Just note that 40% is the same as 2/5.<span />
552.17 rounds to 550
48.35 rounds to 50
550-50=500
ANSWER:
-10+2x+20+x+20
-10+20+20+2x+x
30 = 3x
10 = x
~batmans wife dun dun dun...
r=9b_9a =r+9a/9=9b/9=b=r+9a/9