document.write( "Question 88929: seven years ago,mary was 6times as old as cora.in one year,she will be only twice as old as cora.find their present ages \n" ); document.write( "
Algebra.Com's Answer #64634 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! seven years ago,mary was 6 times as old as cora.in one year,she will be only twice as old as cora.find their present ages \n" ); document.write( "-------------- \n" ); document.write( "7 years ago DATA: \n" ); document.write( "Cora's age = x ; Mary's age = 6x \n" ); document.write( "---------------- \n" ); document.write( "NOW DATA: \n" ); document.write( "Cora's age = x+7 ; Mary's age = 6x+7 \n" ); document.write( "----------------- \n" ); document.write( "One year from now DATA: \n" ); document.write( "Cora's age = x+8 ; Mary's age = 6x+8 \n" ); document.write( "------------------- \n" ); document.write( "EQUATION: (based on one year from now DATA) \n" ); document.write( "6x+8 = 2(x+8) \n" ); document.write( "6x+8 = 2x+16 \n" ); document.write( "4x = 8 \n" ); document.write( "x = 2 \n" ); document.write( "---------------- \n" ); document.write( "x+7 = 9 yrs old (Cora's age NOW) \n" ); document.write( "6x+7 = 19 yrs old (Mary's age NOW) \n" ); document.write( "======== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |