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29-12-2017
Mathematics

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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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29-12-2017

it's 20% less than the original

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naw332000api naw332000api

29-12-2017

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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