document.write( "Question 724067: two years ago, Jill was 7 times as old as Jack. Three years from now, Jill will be 4 times as old as Jack. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #443579 by lwsshak3(11628)\"\" \"About 
You can put this solution on YOUR website!
two years ago, Jill was 7 times as old as Jack. Three years from now, Jill will be 4 times as old as Jack. How old are they now?
\n" ); document.write( "**
\n" ); document.write( "2 years ago:
\n" ); document.write( "let x=jack's age
\n" ); document.write( "7x= Jill's age
\n" ); document.write( "..
\n" ); document.write( "3 years from now: (5 yrs hence)
\n" ); document.write( "x+5=Jack's age
\n" ); document.write( "7x+5=Jill's age
\n" ); document.write( "7x+5=4(x+5)=4x+20
\n" ); document.write( "3x=15
\n" ); document.write( "x=5
\n" ); document.write( "..
\n" ); document.write( "Now:
\n" ); document.write( "x+2=7
\n" ); document.write( "7x+2=37
\n" ); document.write( "jack's age now=7
\n" ); document.write( "Jill's age now=37
\n" ); document.write( "
\n" ); document.write( "
\n" );