SOLUTION: A band-aid is three times as long as it is wide, has a perimeter of 24cm. Determine the area of the band-aid in cm2

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Question 1127954: A band-aid is three times as long as it is wide, has a perimeter of 24cm. Determine the area of the band-aid in cm2
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let the width = +x+
Length = +3x+
+2%2Ax+%2B+2%2A%283x%29+=+24+
+2x+%2B+6x+=+24+
+8x+=+24+
+x+=+3+
and
+3x+=+9+
------------------
Area = +3%2A9+=+27+ cm2
---------------------------------
check:
+2%2A3+%2B+2%2A9+=+24+
+6+%2B+18+=+24+
+24+=+24+
OK