document.write( "Question 1105842: Marty is four years younger than Jennifer now in 10 years Marty will be twice the age that Jennifers now how old is each now \n" ); document.write( "

Algebra.Com's Answer #720737 by ikleyn(52810) $\"\"$ $\"About$

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document.write( "M = J - 4     (1)    (\"Marty is four years younger than Jennifer now.\")\r\n" );
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document.write( "M+10 = 2J     (2)    (\"in 10 years Marty will be twice the age that Jennifers now.)\r\n" );
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document.write( "Substitute expression (1) into eq(2). You will get\r\n" );
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document.write( "J-4 + 10 = 2J  ====>  J = 6.\r\n" );
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document.write( "Then M = J-4 = 2.\r\n" );
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document.write( "Answer.  M = 2,  J = 6.\r\n" );
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