document.write( "Question 1051687: John is 9 years older than Betty. Betty is 10 years old.how old is John \n" ); document.write( "
Algebra.Com's Answer #667142 by stanbon(75887) ![]() You can put this solution on YOUR website! John is 9 years older than Betty. Betty is 10 years old.how old is John \n" ); document.write( "----------------- \n" ); document.write( "J = B + 9 \n" ); document.write( "B = 10 \n" ); document.write( "---- \n" ); document.write( "John = 10 + 9 = 19 yrs \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "---------- \n" ); document.write( " |