document.write( "Question 950102: Seven years ago Fatima was six times as old as Bernice. In one year,she will only be twice as old as Bernice.What will be Fatima's current age? \n" ); document.write( "
Algebra.Com's Answer #580103 by macston(5194) You can put this solution on YOUR website! F=Fatima's age; B=Bernice's age \n" ); document.write( "F+1=2(B+1) \n" ); document.write( "F+1=2B+2 Subtract 1 from each side. \n" ); document.write( "F=2B+1 \n" ); document.write( "F-7 years=6(B-7 years) Substitute for F \n" ); document.write( "2B+1-7years=6B-42 years Subtract 2B from each side. \n" ); document.write( "-6 years=4B-42 years Add 42 years to each side. \n" ); document.write( "36 years=4B Divide each sidde by 4. \n" ); document.write( "9 years=B Bernice is 9 years old. \n" ); document.write( "F+1 year=2(B+1 year) \n" ); document.write( "F+1 year=2(9 years+1 year) \n" ); document.write( "F+1 year=20 years Subtract year from each side \n" ); document.write( "F=19 years ANSWER: Fatima is 19 years old. \n" ); document.write( "CHECK: \n" ); document.write( "7 years ago Fatima was 6 times as old as Bernice \n" ); document.write( "F-7 years=6(B-7 years) \n" ); document.write( "19 years-7 years=6(9 years-7years) \n" ); document.write( "12 years=6(2 years) \n" ); document.write( "12 years=12 years\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |