document.write( "Question 980249: Father is five times as old as his son now. In six years,he will be three times as old as his son. How old is he now? \n" ); document.write( "
Algebra.Com's Answer #601459 by macston(5194)![]() ![]() You can put this solution on YOUR website! F=father's age; S=son's age \n" ); document.write( ". \n" ); document.write( "F=5S \n" ); document.write( ". \n" ); document.write( "F+6=3(S+6) \n" ); document.write( "5S+6=3S+18 \n" ); document.write( "2S=12 \n" ); document.write( "S=6 ANSWER 1: Son is 6 years old. \n" ); document.write( ". \n" ); document.write( "F=5S \n" ); document.write( "F=5(6)=30 ANSWER 2: Father is 30 years old. \n" ); document.write( ". \n" ); document.write( "CHECK: \n" ); document.write( "F+6=3(S+6) \n" ); document.write( "30+6=3(6+6) \n" ); document.write( "36=3(12) \n" ); document.write( "36=36 \n" ); document.write( " |