document.write( "Question 1041255: two numbers are in ratio 4:5. if difference of their cubes is 61, find the number \n" ); document.write( "

Algebra.Com's Answer #656232 by Edwin McCravy(20055) $\"\"$ $\"About$

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two numbers are in ratio 4:5.
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document.write( "Let x = the smaller number\r\n" );
document.write( "Let y = the larger number\r\n" );
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document.write( "Cross-multiply:\r\n" );
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\n" ); document.write( "if difference of their cubes is 61,
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document.write( "Substitute  for x:\r\n" );
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document.write( "Multiply through by 125\r\n" );
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document.write( "Divide both sides by 61.\r\n" );
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document.write( "Take cube roots of both sides:\r\n" );
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document.write( "Since y = the larger number, the larger number is 5\r\n" );
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document.write( "Since x = the smaller number, and \r\n" );
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document.write( "the smaller number \r\n" );
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document.write( "Edwin

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