Question 1131992
<pre>
            Numbers of Tickets   Price    Sales

ADULT           c+10             10       10(c+10)
CHILDREN        c                 4        4c
SENIOR          4c                6        6*4c
Total  - - - - - - - - - - - - - - - -   $ 1240
</pre>

{{{10(c+10)+4c+6*4c=1240}}}------simplify and solve for c.  Use this to find the other "Numbers of Tickets" expressions.