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12 April, 12:51

Bobby bought a DVD recorder for $280. Now it's in sale for $220. Find the percent of change in price. Round to the nearest whole percent if necessary.

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  1. 12 April, 12:57
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    It's 20% less than the original
  2. 12 April, 13:31
    0
    First, find the ratio

    220/280=11/14

    since it is the ratio, change in price is 3/14

    or (3/14) * 100=21%

    when round off to whole percentage.
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