Algebra

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Sandy purchases an entertainment center that has an opening measuring 42 inches by 20.5 inches. If widescreen televisions (16.9 aspect ratio) are on sale at the local electronics center, what is the maximum screen size that Sandy should purchase, assuming that each screen has a 1 inch wide frame bordering the screen?

Thank you much in advance!

  • Algebra -

    width: 40 inches. height=40*9/16

  • Algebra -

    (2 + x) > 20.5
    (2 + (16/9)x) <42

    x < 18.5
    x < 22.5

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