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27 June, 19:47

A model house is 12 cm wide. If it was built with a scale of 3 cm: 4m then how wide is the real house

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  1. 27 June, 20:00
    0
    Then it would be 16 meters wide ... 12 divided by 3 is 4, so 4x4 is 16 which would be the width of the real house.
  2. 27 June, 20:01
    0
    Scale:actual=3cm:4m

    actual:scale=4m:3cm

    so

    if a model house is 12cm then what is actual?

    ? m:12cm=4m:3cm

    make into fractoin

    ? m/12cm=4m/3cm

    times both sides by 12cm

    ? m=48cm m/3cm

    ? m=48m/3

    ? m=16m

    the real house is 16m wide
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