document.write( "Question 1114975: Sam is twice as old as Mary and Mary is 5 years older than her sister Kate. The sum of all their ages is 31. Find the age of each one \n" ); document.write( "

Algebra.Com's Answer #729891 by josgarithmetic(39618) $\"\"$ $\"About$

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document.write( "Sam        2(k+5)\r\n" );
document.write( "Mary       k+5\r\n" );
document.write( "Kate       k\r\n" );
document.write( "TOTAL      31\r\n" );
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\n" ); document.write( "\n" ); document.write( " $\"4k%2B15=31\"$
\n" ); document.write( " $\"4k=16\"$
\n" ); document.write( " $\"k=4\"$ \r
\n" ); document.write( "\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( ". \n" ); document.write( "

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