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    rene1969's Avatar
    rene1969 Posts: 1, Reputation: 1
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    #1

    Oct 16, 2008, 01:29 PM
    use a proportion and solve
    The scale on a blueprint is 3/4inches = 2 1/2 feet. What is the actual length of a bedroom that is 3 1/2 inches on the blueprint? Write answer in inches.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Oct 16, 2008, 01:55 PM

    Using proportions, you could say that 3/4 inches is to 2 1/2 feet as 3 1/2 inches is to what? Mathematically:



    Now solve for x.
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