document.write( "Question 628533: Hello, I'm having some trouble with this question with age, it is: Justine is 15years older than Emily now, but in 6 years time she will be twice as old as Emily. Write an equation and solve it to find the girls' present ages. I gave it ago using a method we learnt at school but it didn't quite work. Please help and thank you! \n" ); document.write( "
Algebra.Com's Answer #395707 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Justine is 15years older than Emily now, but in 6 years time she will be twice as old as Emily. \n" ); document.write( "---------------- \n" ); document.write( "The age difference will always be 15 years. \n" ); document.write( "--> 15 & 30 are 2x \n" ); document.write( "Subtract 6 \n" ); document.write( "============== \n" ); document.write( "J + 6 = 2(E + 6) \n" ); document.write( "J = E + 15 \n" ); document.write( "--- \n" ); document.write( "E + 15 + 6 = 2(E + 6) = 2E + 12 \n" ); document.write( "--> E = 9, J = 24 \n" ); document.write( " |