SOLUTION: A sheet of paper is 11 inches long. When it is folded in half on the dotted line, as shown, the ratio of length to width remains unchanged. What was the width of the original sheet
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Question 154849: A sheet of paper is 11 inches long. When it is folded in half on the dotted line, as shown, the ratio of length to width remains unchanged. What was the width of the original sheet of paper?
Answer by orca(409) (Show Source): You can put this solution on YOUR website!
Let x be the width of the original paper.
DIMENSIONS BEFORE FOLDING:
length: 11
width: x
DIMENSIONS AFTER FOLDING
length: x
width: 11/2
As the ratio of length to width remains unchanged, we have
11 : x = x : 11/2
Cross-multiplying it, we have
Solving for x, we have
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