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26 February, 08:13

The height of a television screen is 75% of its width. The screen is 20 inches wide.

What is the area of the television screen?

By percent, how does this area compare to the area of a 20-inch by 20-inch screen?

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  1. 26 February, 11:52
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    Area = height * width

    Area = (.75) (20) * 20 = 15*20 = 300

    Area of 20 by 20 screen = 20*20 = 400

    300/400 = 3/4 = 0.75 = 75%
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