document.write( "Question 369458: Manuel is ten times older than his son, Andrew. In 20 years, Manuel's age will be 4 more than twice Andrew's age. How old was Manuel when Andrew was born?? \n" ); document.write( "
Algebra.Com's Answer #263271 by amoresroy(361)![]() ![]() You can put this solution on YOUR website! Manuel is ten times older than his son, Andrew. In 20 years, Manuel's age will be 4 more than twice Andrew's age. How old was Manuel when Andrew was born??\r \n" ); document.write( "\n" ); document.write( "Let A = age of Andrew now \n" ); document.write( " 10A = age of Manuel now\r \n" ); document.write( "\n" ); document.write( "10A -A = age of Manuel when Andrew was born\r \n" ); document.write( "\n" ); document.write( "10A + 20 = 4 + 2(A+20) \n" ); document.write( " 8A = 24 \n" ); document.write( " A = 3\r \n" ); document.write( "\n" ); document.write( " 9A = 27\r \n" ); document.write( "\n" ); document.write( "Manuel was 27 years old when Andrew was born\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |