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7 November, 21:26

2.) If the aspect ratio in width to height (width: height) of a chalkboard is 16:9 and

the width is 70 inches, what is the height of the chalkboard?

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  1. 8 November, 00:03
    0
    Essentially we must find a height such that 70:height is at the same ratio as 16:9. So

    16/9=70/h

    1.778=70/h

    1.778h=70

    h=70/1.778=39.37inches

    Check work:

    16:9 = 1.7777778

    70:39.37 = 1.778
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