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18 March, 16:42

The scale factor of a room for a scale drawing is 2.3. The actual length of a wall in the room is 46 feet and the actual width of the room is 69 feet. What is the area of the scale drawing?

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  1. 18 March, 18:12
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    There's two ways to solve this.

    First way:

    Let's divide the width and length by 2.3.

    46:2.3=20

    69:2.3=30

    20*30

    600 ft²

    Second Way:

    Let's find the area of the actual room.

    46*69

    3,174 ft²

    Let's find the scale drawing squared.

    2.3²=5.29

    3,174:5.29

    600 ft²
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