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 #114667 by Alan3354(69443)\"\" \"About 
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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?
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\n" ); document.write( "M = J + 3 (age difference now)
\n" ); document.write( "In 4 years,
\n" ); document.write( "M + 4 = 1.5*(J+4)
\n" ); document.write( "Substitute for M:
\n" ); document.write( "J+3+4 = 1.5*(J+4)
\n" ); document.write( "J+7 = 1.5J + 6
\n" ); document.write( "Multiply by 2
\n" ); document.write( "2J+14 = 3J + 12
\n" ); document.write( "J = 2
\n" ); document.write( "M = 5\r
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