Posted by Cindy on .
Tickets to a local movie store were sold at $3.00 for adults and $1.50 for students. If 170 tickets were sold for a total of $480.00, how many adult tickets were sold?

algebra 
Steve,
just add up the value of all the tickets sold.
3.00a + 1.50(170a) = 480.00
a = 150