Math 209

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An advertisement for LED HDTVs lists the following prices for their different sizes (all have the same aspect ratio 9:16):

22-inch $ 247.99

42-inch $ 1,299.99

46-inch $ 1,449.99

52-inch $ 1,799.99

55-inch $ 1,999.0

Rearrange this list in terms of the price per viewable image area ( $/in2 )

  • Math 209 -

    The inch measure is the diagonal distance across the screen. Since the ratios are all the same, you do not need to use in^2 = inches squared.

    Just divide price by inches and arrange in order of value.

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