document.write( "Question 212809: Four years ago, three times cecile's age was 42, her father's age now. How old is cecile now? \n" ); document.write( "
Algebra.Com's Answer #160730 by drj(1380)![]() ![]() You can put this solution on YOUR website! Four years ago, three times Cecile's age was 42, her father's age now. How old is Cecile now?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 1. Let n = current age of Cecile\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 2. Let 3(n-4) is three times Cecile's age four years ago\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 3. Now 3(n-4)=42 which is Cecile's father's age now\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 4. Solve n using the following steps:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Add 12 to both sides of the equation to isolate 3n\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Divide by 3 to both sides to get n\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 5. Cecile's age is 18 years old. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Note: Four years ago she was 14. 3(14)=42 which is her Father's age now.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hope this was helpful.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For Step-By-Step free videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Aood luck in your studies!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Respectfully, \n" ); document.write( "Dr J\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |