document.write( "Question 994897: Jo is X years old. Jo's mother , Anne, is four times as old as Jo. In four years time , anne will be three times as old as Jo. Form an equation in X and solve it to find jo's present age \n" ); document.write( "
Algebra.Com's Answer #613902 by ankor@dixie-net.com(22740)\"\" \"About 
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Jo is X years old. Jo's mother,
\n" ); document.write( "x = Joe's age
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\n" ); document.write( "Anne, is four times as old as Jo.
\n" ); document.write( "4x = Anne's age
\n" ); document.write( ":
\n" ); document.write( " In four years time, Anne will be three times as old as Jo.
\n" ); document.write( "4x + 4 = 3(x + 4)
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\n" ); document.write( " Form an equation in X and solve it to find jo's present age
\n" ); document.write( "4x + 4 = 3(x+4)
\n" ); document.write( "4x + 4 = 3x + 12
\n" ); document.write( "4x - 3x = 12 - 4
\n" ); document.write( "x = 8 yrs is Joe's age
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