document.write( "Question 895143: Karen is 6 years older than her sister Michelle, and Michelle is 2 years younger than their brother David. If the sum of their ages is 62 , how old is Michelle?\r
\n" );
document.write( "\n" );
document.write( "I'm confused. How do I even begin to answer this?\r
\n" );
document.write( "\n" );
document.write( "Thanks! \n" );
document.write( "
Algebra.Com's Answer #542633 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! K = 6 + M \n" ); document.write( "M = D - 2, which also means that D = M + 2 \n" ); document.write( "K + M + D = 62 \n" ); document.write( "Take the known values of K and D from the top equations and put them into the bottom. \n" ); document.write( "K + M + D = 62 \n" ); document.write( "(6+M) + M + (M+2) = 62 \n" ); document.write( "Add \n" ); document.write( "3M + 8 = 62 \n" ); document.write( "Subtract 8 from each side \n" ); document.write( "3M = 54 \n" ); document.write( "Divide each side by 3 \n" ); document.write( "M = 18 \n" ); document.write( "If Michelle is 18, and David is two years older, then David is 20. \n" ); document.write( "Karen is 6 years older than Michelle, so she is 24. \n" ); document.write( "18 + 20 + 24 = 62 \n" ); document.write( " \n" ); document.write( " |