document.write( "Question 281087: Gina is 9 years younger than her sister, Bridgette. Two years ago, Bridgette was twice as old as Gina was. How old is Gina now? \n" ); document.write( "
Algebra.Com's Answer #204247 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! GINA NOW=X \n" ); document.write( "BRIDGETTE=X+9 \n" ); document.write( "GINA 2 YEARS AGO=X-2 \n" ); document.write( "BRIDGETTE 2 YEARS AGO=(X+9-2) \n" ); document.write( "(X+9-2)=2(X-2) \n" ); document.write( "X+7=2X-4 \n" ); document.write( "X-2X=-4-7 \n" ); document.write( "-X=-11 \n" ); document.write( "X=11 ANS. FOR GINA'S AGE NOW. \n" ); document.write( "11+9=20 ANS. FOR BRIDGETTE'S AGE NOW. \n" ); document.write( "PROOF: \n" ); document.write( "20-2=2(11-2) \n" ); document.write( "18=2*9 \n" ); document.write( "18=18 \n" ); document.write( " |