document.write( "Question 739438: Randy is twice as old as his sister Jane. Together the sum of their ages is 15. how old is randy? \n" ); document.write( "
Algebra.Com's Answer #451182 by richwmiller(17219)\"\" \"About 
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r=2j
\n" ); document.write( "r+j=15
\n" ); document.write( "2j+j=15
\n" ); document.write( "3j=15
\n" ); document.write( "j=5
\n" ); document.write( "r=10
\n" ); document.write( "
\n" );