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Algebra 1

On a scale drawing 1/4 in equals 1 foot . If the length of a room on a scale drawing is 5 1/4in , how long is the room ?
I just need someone to help me through this problem cause I don't get how to do it at all .

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  1. One way to solve this problem is to set up a proportion. Cross multiply and solve for x. (Note that I changed the fractions to their decimal equivalents.)

    0.25/1 = 5.25/x

    0.25x = 5.25

    x = 21 feet

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    Ms. Sue
  2. very helpful

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