document.write( "Question 699100: Jones is now twice as old as he was 5 years ago and his mother is now four times as old as jones.How old is his mother \n" ); document.write( "
Algebra.Com's Answer #431367 by ankor@dixie-net.com(22740)\"\" \"About 
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Jones is now twice as old as he was 5 years ago
\n" ); document.write( "j = 2(j-5)
\n" ); document.write( "j = 2j - 10
\n" ); document.write( "10 = 2j - j
\n" ); document.write( "j = 10 yrs old now
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\n" ); document.write( " mother is now four times as old as jones
\n" ); document.write( "m = 4j
\n" ); document.write( "m = 4(10)
\n" ); document.write( "m = 40 yrs is Mom's age\r
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