document.write( "Question 155566: Mark is 3 years older than Jane. In 4 years, Mark will be 1.5 times as old as Jane. How old is Mark now? \n" ); document.write( "
Algebra.Com's Answer #114663 by checkley77(12844)\"\" \"About 
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M=J+3
\n" ); document.write( "M+4=1.5(J+3)
\n" ); document.write( "J+3+4=1.5J+4.5
\n" ); document.write( "J+7=1.5J+4.5
\n" ); document.write( "J-1.5J=4.5-7
\n" ); document.write( "-.5J=-2.5
\n" ); document.write( "J=-2.5/-.5
\n" ); document.write( "J=5 YEARS OLD FOR jANE
\n" ); document.write( "M=5+3=8 YEARS OLD FOR MARK.
\n" ); document.write( "PROOF:
\n" ); document.write( "8+4=1.5(5+3)
\n" ); document.write( "12=1.5*8
\n" ); document.write( "12=12
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