document.write( "Question 1004552: The sum of the ages of two sisters Anna and Linda is 60years.if Anna is three times as old as Linda, calculate Linda's age \n" ); document.write( "
Algebra.Com's Answer #621022 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Call their ages A and L. \n" ); document.write( "From the facts we have \n" ); document.write( "A + L = 60 and \n" ); document.write( "A = 3L \n" ); document.write( "Substitute the second into the first and get \n" ); document.write( "3L + L = 60 \n" ); document.write( "4L = 60 \n" ); document.write( "L = 15 and then \n" ); document.write( "A = 45 \n" ); document.write( " |