document.write( "Question 1085766: The ages of my sister and her son add up to 27 years. A quarter of my sister’s age is double her son’s age. How old are they? \n" ); document.write( "
Algebra.Com's Answer #699840 by Edwin McCravy(20060)\"\" \"About 
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document.write( "S = the age of my sister\r\n" );
document.write( "N = the age of my nephew (my sister's son)\r\n" );
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The ages of my sister and her son (my nephew) add up to 27 years.
\"S+%2B+N+=+27\"
A quarter of my sister’s age is double her son’s (my nephew's) age.
\"expr%281%2F4%29S+=+2N\"\r\n" );
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document.write( "Solve the system below by substitution.  Before substituting,\r\n" );
document.write( "you might first multiply the second equation through by 4 to \r\n" );
document.write( "clear the fraction.\r\n" );
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document.write( "\"system%28S%2BN=27%2Cexpr%281%2F4%29S=2N%29\"\r\n" );
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document.write( "You finish.\r\n" );
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document.write( "Edwin
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