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21 October, 22:10

Brennan measured a boarding school and made a scale drawing. A building at the school is 21 centimeters long in the drawing. The actual building is 147 meters long. What is the scale of the drawing?

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Answers (2)
  1. 21 October, 22:17
    0
    Check the explanation

    Step-by-step explanation:

    1 centimetre is = 0.01 meter

    therefore the scale in Brennan drawing is 1 centimetre is used to represent 7 metres
  2. 21 October, 22:28
    0
    1 cm:7 meters

    Step-by-step explanation:

    The scale drawing shows the length in the drawing, then a colon and the actual lenght of the object. The actual building is 147 meters long and the drawing is 21 centimeters long. From this, we have:

    21 cm:147 meters

    As both numbers can be divided by 21, you can simplify and you would have that the scale of the drawing is:

    1 cm:7 meters
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