document.write( "Question 145950: Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $50 of her medical bills, plus 25% of the rest. Under plan B, Giselle would pay the first $230, but only 20% of the rest. For what amount of medical bills will plan B save Giselle money? Assume she has over $230 in bills.
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\n" ); document.write( "Suppose Giselle has a certain amount in medical bills, such as $5000. How much would she pay under each plan?
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Algebra.Com's Answer #106507 by jim_thompson5910(35256)\"\" \"About 
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\"For what amount of medical bills will plan B save Giselle money?\"\r
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\n" ); document.write( "\n" ); document.write( "Let x=amount of the bill\r
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\n" ); document.write( "\n" ); document.write( "Under plan A, the expression is \r
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\n" ); document.write( "\n" ); document.write( "\"50%2B0.25%28x-50%29\"\r
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\n" ); document.write( "\n" ); document.write( "Under plan B, the expression is \r
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\n" ); document.write( "\n" ); document.write( "\"230%2B0.20%28x-230%29\"\r
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\n" ); document.write( "\n" ); document.write( "So to figure out when plan B will save her money, simply set the plan B expression less than the plan A expression\r
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\n" ); document.write( "\n" ); document.write( "\"Plan_B%3CPlan_A\"\r
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\n" ); document.write( "\n" ); document.write( "\"230%2B0.20%28x-230%29%3C50%2B0.25%28x-50%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"230%2B0.20x-46%3C50%2B0.25x-12.5\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"184%2B0.20x%3C37.5%2B0.25x\" Combine like terms\r
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\n" ); document.write( "\n" ); document.write( "\"0.20x-0.25x%3C37.5-184\" Subtract 0.25x from both sides. Subtract 184 from both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"-0.05x%3C-146.5\" Combine like terms\r
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\n" ); document.write( "\n" ); document.write( "\"x%3E2930\" Divide both sides by 0.45\r
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\n" ); document.write( "\n" ); document.write( "So if she has any bills over $2,930, then Plan B will cost less than Plan A. \r
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\n" ); document.write( "\n" ); document.write( "\"Suppose Giselle has a certain amount in medical bills, such as $5000. How much would she pay under each plan?\"\r
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\n" ); document.write( "\n" ); document.write( "\"50%2B0.25%28x-50%29\" Start with the Plan A expression\r
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\n" ); document.write( "\n" ); document.write( "\"50%2B0.25%2A%285000-50%29\" Plug in \"x=5000\" \r
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\n" ); document.write( "\n" ); document.write( "\"50%2B0.25%2A4950\" Subtract \"50\" from \"5000\" to get \"4950\". \r
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\n" ); document.write( "\n" ); document.write( "\"50%2B1237.5\" Multiply \"0.25\" and \"4950\" to get \"1237.5\". \r
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\n" ); document.write( "\n" ); document.write( "\"1287.5\" Add \"50\" and \"1237.5\" to get \"1287.5\". \r
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\n" ); document.write( "\n" ); document.write( "So under Plan A, she will pay $1,287.50\r
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\n" ); document.write( "\n" ); document.write( "\"230%2B0.20%28x-230%29\" Start with the Plan B expression\r
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\n" ); document.write( "\n" ); document.write( "\"230%2B0.20%2A%285000-230%29\" Plug in \"x=5000\" \r
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\n" ); document.write( "\n" ); document.write( "\"230%2B0.20%2A4770\" Subtract \"230\" from \"5000\" to get \"4770\". \r
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\n" ); document.write( "\n" ); document.write( "\"230%2B0954\" Multiply \"0.20\" and \"4770\" to get \"954\". \r
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\n" ); document.write( "\n" ); document.write( "\"1184\" Add \"230\" and \"954\" to get \"1184\". \r
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\n" ); document.write( "\n" ); document.write( "So under Plan B, she will pay $1,184.00\r
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