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10 September, 15:07

Susan plans to paint a wall in her room. Her wall is three times as wide as it is high. The wall has an area of 108 ft2. What are the dimensions of the wall?

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  1. 10 September, 15:19
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    a: wide

    b: high

    b = 3a

    => a x 3a = 108

    => a = 6

    => b = 3a = 18
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