document.write( "Question 1148579:
\n" ); document.write( "Jack is now seven times as old as James. In 5 years, Jack will be five times as old as James. How old is James now?
\n" ); document.write( "70
\n" ); document.write( "55
\n" ); document.write( "10
\n" ); document.write( "

Algebra.Com's Answer #769918 by VFBundy(438)\"\" \"About 
You can put this solution on YOUR website!
James's age = x
\n" ); document.write( "Jack's age = y
\n" ); document.write( "
\n" ); document.write( "y = 7x
\n" ); document.write( "y + 5 = 5(x + 5)
\n" ); document.write( "
\n" ); document.write( "y = 7x
\n" ); document.write( "y + 5 = 5x + 25
\n" ); document.write( "
\n" ); document.write( "7x - y = 0
\n" ); document.write( "5x - y = -20
\n" ); document.write( "
\n" ); document.write( "7x - y = 0
\n" ); document.write( "-5x + y = 20
\n" ); document.write( "
\n" ); document.write( "2x = 20
\n" ); document.write( "
\n" ); document.write( "x = 10
\n" ); document.write( "
\n" ); document.write( "James's age = x = 10
\n" ); document.write( "
\n" );