document.write( "Question 984438: A father is three times his daughter's age. In 10 years time the sum of their ages will be 68. How old are the father and daughter? \n" ); document.write( "
Algebra.Com's Answer #605258 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "A father is three times his daughter's age. \n" ); document.write( "F = 3D \n" ); document.write( "In 10 years time the sum of their ages will be 68. \n" ); document.write( "F + 10 + D + 10 = 68 \n" ); document.write( "Replace F with 3D \n" ); document.write( "3D + 10 + D + 10 = 68 \n" ); document.write( "Collect like terms \n" ); document.write( "3D + D = 68 - 10 - 10 \n" ); document.write( "4D = 48 \n" ); document.write( "D = 12 \n" ); document.write( "Daughter = 12yrs old \n" ); document.write( "Father = 36yrs old \n" ); document.write( "Hope this helps you :-) \n" ); document.write( " |