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7 August, 22:38

A blueprint for a house has a scale of 1in for every 30ft. A wall in the blueprint is 7 in. What is the length of the actual wall?

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Answers (2)
  1. 8 August, 00:03
    0
    30 times 7 is 210 inches
  2. 8 August, 01:38
    0
    Set up a proportion.

    x = length of actual wall

    1/30=7/x

    Cross multiply: x = 210 inches
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