document.write( "Question 1164417: Faith is 10 years older than Grace. Eight years ago, Faith was 3 times Grace's age. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #788829 by greenestamps(13203)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The difference in their ages is 10 years; 8 years ago, Faith's age was 3 times Grace's age. \n" ); document.write( "Let x be Grace's age 8 years ago; then Faith's age 8 years ago was 3x. The difference in their ages then was 3x-x = 2x. \n" ); document.write( "But the difference in their ages then was 10 years. So 2x=10, and x=5. \n" ); document.write( "That means their ages 8 years ago were x=5 and 3x=15. \n" ); document.write( "And that means their current ages are 13 and 23. \n" ); document.write( " \n" ); document.write( " |