A total of
255
tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was two times the number of adult tickets sold. How many adult tickets were sold?

Question

A total of 
255
 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was two times the number of adult tickets sold. How many adult tickets were sold?

anonymous · Answer

A+S = 255.
S = 2A.

You know what S in second equation is. Plug it into equation 1 to get A. Then use that to get S.

anonymous · Answer

am lost

anonymous · Answer

Okay, look. We know that for every adult ticket. We have two student tickets right?

anonymous · Answer

yea

anonymous · Answer

So we know that S =  2A. S is number of student tickets, A is adult tickets. Make sense so far?

anonymous · Answer

yea

anonymous · Answer

Now we know that total tickets is 255. So all the adult tickets and all the student tickets total to that.

S+A = 255

Okay so far?

anonymous · Answer

am lost

anonymous · Answer

We know there are 255 total tickets right?