Most likely divide it by 4
So I'm going to make student tickets be s, and non-students n. So the equation would be s+2n=450. Hope this helped. :3
<15> and <10> add first 25 <25> and 5 add second 30 <30> and 7 add third 37 <37> and 6 <6> now add that an u get <43> thats ur answer :)
2 I think that is the answer