document.write( "Question 611947: Dad is 6 times as old as Michael and he will be 4 times as old as Michael in 4 years time. If dad is less than 60 years of age, how old will he be in 6 year's time? \n" ); document.write( "
Algebra.Com's Answer #385216 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! d = Dad's age \n" ); document.write( "m - Michael's age \n" ); document.write( ": \n" ); document.write( "Dad is 6 times as old as Michael \n" ); document.write( "d = 6m \n" ); document.write( ": \n" ); document.write( " and he will be 4 times as old as Michael in 4 years time. \n" ); document.write( "d + 4 = 4(m+4) \n" ); document.write( "d + 4 = 4m + 16 \n" ); document.write( "d = 4m + 16 - 4 \n" ); document.write( "d = 4m + 12 \n" ); document.write( "replace d with 6m \n" ); document.write( "6m = 4m + 12 \n" ); document.write( "6m - 4m = 12 \n" ); document.write( "2m = 12 \n" ); document.write( "m = 6 yrs is M's age \n" ); document.write( "then \n" ); document.write( "6*6 = 36 yrs is Dad's age \n" ); document.write( ": \n" ); document.write( " If dad is less than 60 years of age, how old will he be in 6 year's time? \n" ); document.write( "36 + 6 = 42 yrs \n" ); document.write( " |