A movie theater charges $6.50 for matinee showings and $8.75 for evening showings. Yesterday the theater sold 378 tickets for a total revenue of $2,929.50. How many matinee tickets were sold?
Let m = # matinee tix sold then (378 - m) = # evening tix sold
$6.50 x m + $8,75 x (378-m) = 2929.50
6.5 m + 3307.5 - 8.75m = 2929.5
2.25m =-378
m= 168 matinee tix were sold 210 evening tix were sold