document.write( "Question 1200661: a car insurance company charges insurance premium in proportion to the car's value. for a $12,000 car, the monthly premium is $55. huynh pays a $90 monthly premium for his car. to the nearest dollar, how much is his car valued at? \n" ); document.write( "
Algebra.Com's Answer #834845 by ikleyn(52855)\"\" \"About 
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\n" ); document.write( "a car insurance company charges insurance premium in proportion to the car's value.
\n" ); document.write( "For a $12,000 car, the monthly premium is $55.
\n" ); document.write( "huynh pays a $90 monthly premium for his car.
\n" ); document.write( "to the nearest dollar, how much is his car valued at?
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document.write( "Obviosly, this problem is \"on proportions\".\r\n" );
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document.write( "Write a proportion as you read the problem\r\n" );
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document.write( "    \"premium%2Fcar_value\" = \"55%2F12000\" = \"90%2Fx\",\r\n" );
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document.write( "where x is the unknown car's value.\r\n" );
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document.write( "From this proportion, find x\r\n" );
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document.write( "    x = \"%2812000%2A90%29%2F55\" = 19636.36, or 19636 dollars, rounded to the closest dollar.   ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "For introductory lessons on proportions,  see the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Proportions\r
\n" ); document.write( "\n" ); document.write( "    - Using proportions to solve word problems \r
\n" ); document.write( "\n" ); document.write( "    - Typical problems on proportions \r
\n" ); document.write( "\n" ); document.write( "    - Using proportions to estimate the number of fish in a lake\r
\n" ); document.write( "\n" ); document.write( "    - HOW TO algebraize and solve these problems using proportions \r
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\n" ); document.write( "\n" ); document.write( "Learn the entire subject from there.\r
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\n" ); document.write( "\n" ); document.write( "Happy learning  ( ! )\r
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