Madhuri hadwale wrote:If X+Y+Z=35000 X+38% of Z=11900 Y + 62% of Z =23100
Than Z=??????
Turn the "38%" into a decimal: 0.38. Turn the "of" into "times". So you have "X + 0.38Z = 11900".
Now do the same thing with the third equation. And then solve the second equation for "X=" and the third equation for "Y=". Plug these in for "X" and "Y" in the first equation.