document.write( "Question 440869: Four years ago Sally was twice Tim's age. Four years from now, Tim will be 3/4 the age of Sally. How old is Sally now? \n" ); document.write( "
Algebra.Com's Answer #304449 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! S-4=2(T-4) \n" ); document.write( "T+4=3/4(S+4) \n" ); document.write( "----------- \n" ); document.write( "S-4=2T-8 \n" ); document.write( "S=2T-4 \n" ); document.write( "T+4=3/4(2T-4+4) \n" ); document.write( "T+4=6T/4 \n" ); document.write( "4T+16=6T \n" ); document.write( "16=2T \n" ); document.write( "8=T \n" ); document.write( "S=2T-4=12 \n" ); document.write( "Sally is 12. Tim is 8.. \n" ); document.write( " |