document.write( "Question 611322: Ed is 1/6 as old as Laura. In 18 years, Ed's age will be 13 years more than 1/5 of Laura's. How old are Ed and Laura now? \n" ); document.write( "
Algebra.Com's Answer #384955 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Ed is 1/6 as old as Laura. In 18 years, Ed's age will be 13 years more than 1/5 of Laura's. \n" ); document.write( " How old are Ed and Laura now? \n" ); document.write( ": \n" ); document.write( "Write an equation for each statement \n" ); document.write( "\"Ed is 1/6 as old as Laura.\" \n" ); document.write( "E = \n" ); document.write( "or \n" ); document.write( "L = 6E \n" ); document.write( ": \n" ); document.write( "\"In 18 years, Ed's age will be 13 years more than 1/5 of Laura's.\" \n" ); document.write( "E + 18 = \n" ); document.write( "Multiply by 5 to get rid of these annoying fraction \n" ); document.write( "5(E+18) = L + 18 + 5(13) \n" ); document.write( "5E + 90 = L + 18 + 65 \n" ); document.write( "5E = L + 83 - 90 \n" ); document.write( "5E = L - 7 \n" ); document.write( "Replace L with 6E \n" ); document.write( "5E = 6E - 7 \n" ); document.write( "7 = 6E - 5E \n" ); document.write( "E = 7 yrs old is Ed \n" ); document.write( ": \n" ); document.write( "L = 6(7) = 42 is Laura's age \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check this in the 2nd equation \n" ); document.write( "7 + 18 = \n" ); document.write( "25 = \n" ); document.write( "25 = 12 + 13\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " How old are Ed and Laura now? 7 and 42 \n" ); document.write( " |