document.write( "Question 909333: hi can you pls help me with this problem? In 4 years time, Maria's mother will be three times as old as Maria. Six years ago, her mother was seven times as old as her. Find their present ages. \n" ); document.write( "
Algebra.Com's Answer #551787 by mananth(16946)\"\" \"About 
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Let Maria be x years now
\n" ); document.write( "Let her mom be y years now\r
\n" ); document.write( "\n" ); document.write( "In 4 years time,
\n" ); document.write( "Maria's mother will be three times as old as Maria.
\n" ); document.write( "y+4=3(x+4)
\n" ); document.write( "y+4=3x+12
\n" ); document.write( "y-3x=8
\n" ); document.write( "y=3x+8...................(1)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " Six years ago,\r
\n" ); document.write( "\n" ); document.write( " her mother was seven times as old as her. Find their present ages. \r
\n" ); document.write( "\n" ); document.write( "y-6= 7(x-6)\r
\n" ); document.write( "\n" ); document.write( "y-6=7x-42
\n" ); document.write( "y-7x = -36..........................(2)
\n" ); document.write( "substitute y from (1)
\n" ); document.write( "3x+8-7x=-36
\n" ); document.write( "-4x=-28
\n" ); document.write( "/-4
\n" ); document.write( "x=7 Maria's age
\n" ); document.write( "plug x = 7 in (1)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "y=3x+8
\n" ); document.write( "y=3*7+8
\n" ); document.write( "y=29........ mom's age\r
\n" ); document.write( "
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