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Published byAdam Greer Modified over 9 years ago

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Lesson 1: Buying Furniture and Appliances Consumer Math p. 170-173

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Exercise A Rosa purchases a couch at a “45% off” sale. If the sale price is $494.99, what was the original price? 1. Subtract the discount from 100% (100%-45% = 55%) 2. Round the sale price to the nearest dollar to make the calculation easier ($494.99 = $495.00) 3. To find the original price, divide the rounded sale price by the percent paid ($495.00 /.55 = $900) The original price is $900.00. Note that the original price may have actually been listed as $899.99.

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Example B Frank buys a lamp for $49.99. The regular price is $129.99. What discount does he receive? 1. Round the prices to the nearest dollar($49.99 = $50.00; $129.99 = $130.00) 2. Subtract the sale price from the regular price to find the amount saved ($130-$50 = $80) 3. Write the ratio (amount saved / regular price) ($80 / $130 =.615).615…round = 62%

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