document.write( "Question 1117315: The ratio of apples to oranges is 2:5. After I sell 57 oranges, the ratio is 5:3. How many apples did I start with. \n" ); document.write( "

Algebra.Com's Answer #732352 by ikleyn(52879) $\"\"$ $\"About$

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\n" ); document.write( "The ratio of apples to oranges is 2:5. After I sell 57 oranges, the ratio $\"highlight%28of_apples_to_oranges%29\"$ is 5:3. How many apples did I start with.
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document.write( "Originally you have 2x apples and 5x oranges.\r\n" );
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document.write( "After selling, you have this equation\r\n" );
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document.write( " = .\r\n" );
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document.write( "===============>\r\n" );
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document.write( "3*(2x) = (5x-57)*5\r\n" );
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document.write( "6x = 25x - 285\r\n" );
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document.write( "285 = 25x - 6x = 19x  ====>  x =  = 15.\r\n" );
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document.write( "Answer.  You started with 2*15 = 30 apples.\r\n" );
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