Question 1172789

A total of 372 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was three times the number of adult tickets sold. How many adult tickets were sold?
<pre>That person is WRONG, as usual. 
Using his setup will never get you the correct answer. His setup is: {{{system(x+y=372,y=3x)}}}, and should NOT be given any credence.