document.write( "Question 1116798: Kelly's age plus her father's age is 32 years. In 12 years, Kelly will be one-third as old as her father. Find her age now. \n" ); document.write( "
Algebra.Com's Answer #731722 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Kelly's age plus her father's age is 32 years. \n" ); document.write( "k + f = 32 \n" ); document.write( " In 12 years, Kelly will be one-third as old as her father. \n" ); document.write( "k + 12 = \n" ); document.write( "multiply both sides by 3 \n" ); document.write( "3(k+12) = f + 12 \n" ); document.write( "3k + 36 = f + 12 \n" ); document.write( "3k + 36 - 12 = f \n" ); document.write( "3k + 24 = f \n" ); document.write( ": \n" ); document.write( " Find her age now. \n" ); document.write( "In the first equation replace f with (3k+24) \n" ); document.write( "k + (3k+24) = 32 \n" ); document.write( "4k = 32 - 24 \n" ); document.write( "4k = 8 \n" ); document.write( "k = 8/4 \n" ); document.write( "k = 2 yrs is Kelly's age \n" ); document.write( "and \n" ); document.write( "f = 3(2) + 24) \n" ); document.write( "f = 30 yrs is father's age \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check this in the statement \n" ); document.write( "\"In 12 years, Kelly will be one-third as old as her father.\" \n" ); document.write( "2 + 12 = \n" ); document.write( "14 = |