document.write( "Question 369466: ONE-SIXTH OF A DENTIST'S AGE 8 YEARS AGO EQUALS ONE-TENTH OF HIS AGE 8 YEARS HENCE. WHAT IS HIS AGE NOW? \n" ); document.write( "
Algebra.Com's Answer #263276 by amoresroy(361) You can put this solution on YOUR website! ONE-SIXTH OF A DENTIST'S AGE 8 YEARS AGO EQUALS ONE-TENTH OF HIS AGE 8 YEARS HENCE. WHAT IS HIS AGE NOW? \r \n" ); document.write( "\n" ); document.write( "Let x = the age of the dentist now\r \n" ); document.write( "\n" ); document.write( "(x-8)/6 = (x+8)/10\r \n" ); document.write( "\n" ); document.write( "Cross multiply \n" ); document.write( "10(x-8) = 6(x+8) \n" ); document.write( "10x-80 = 6x + 48 \n" ); document.write( " 4x = 128 \n" ); document.write( " x = 32\r \n" ); document.write( "\n" ); document.write( "The age of dentist now is 32 years old. \n" ); document.write( " |