document.write( "Question 1176140: Mike and Jake are brothers. They are both younger than 10. Mike is 4 times older than Jake. In 4 years, Mike will be twice as old as Jake. How old are Mike and Jake? \n" ); document.write( "
Algebra.Com's Answer #802252 by CubeyThePenguin(3113)\"\" \"About 
You can put this solution on YOUR website!
Mike's age = M
\n" ); document.write( "Jake's age = J\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "M = 4J
\n" ); document.write( "M + 4 = 2(J + 4)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Plug in the first equation into the second.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "4J + 4 = 2J + 8
\n" ); document.write( "2J = 4\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Jake is 2 and Mike is 8.
\n" ); document.write( "
\n" );