document.write( "Question 441332: find the age of john and mary if four times jonhs age equals three times marys age, and mary is ten years older than john. \n" ); document.write( "
Algebra.Com's Answer #304660 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! M=J+10 \n" ); document.write( "3M=4J \n" ); document.write( "3(J+10)=4J \n" ); document.write( "3J+30=4J \n" ); document.write( "J=30 \n" ); document.write( "M=40 \n" ); document.write( "John is 30. Mary is 40.. \n" ); document.write( " |