document.write( "Question 615717: This year Jamie is three times as old as her brother john. Next year she will be twice as old, how old is jamie ? \n" ); document.write( "
Algebra.Com's Answer #387290 by vksarvepalli(154)\"\" \"About 
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let the present age of john be x
\n" ); document.write( "so the age of jamie this year will be 3x\r
\n" ); document.write( "\n" ); document.write( "next year age of john will be = x+1
\n" ); document.write( " and age of jamie will be 3x+1\r
\n" ); document.write( "\n" ); document.write( "given Next year she will be twice as old as john.\r
\n" ); document.write( "\n" ); document.write( " so, 3x+1 = 2(x+1)\r
\n" ); document.write( "\n" ); document.write( " => 3x +1 = 2x+2
\n" ); document.write( " => x=1 and 3x will be = 3
\n" ); document.write( "
\n" ); document.write( "so, age of jamie is 3 years.\r
\n" ); document.write( "\n" ); document.write( "Ans: 3 years
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