SOLUTION: maci put 200 inches of ribbon along the border of a rectangular bulletin board. If the length of the bulletin board is 4 times the width, then what are the dimensions?

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Question 1076855: maci put 200 inches of ribbon along the border of a rectangular bulletin board. If the length of the bulletin board is 4 times the width, then what are the dimensions?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Let w be the width of the board. Then the length would be 4w. So:
2(w+4w)=200
5w=100
w=20
The ribbon will fit a board of 20" x 80". ☺☺☺☺