On Friday, a local hamburger shop sold a combined total of 330 hamburgers and cheeseburgers. The number of cheeseburgers sold was two times the number of hamburgers sold. How many hamburgers were sold on Friday?
110
Total burgers = 330
330/3 = 110
110 hamburgers sold
110*2 = 220 cheeseburgers sold
110+220 = 330