7. On Saturday, a craft store had 150 visitors, and 80% of the visitors made a purchase. Of the customers who made a purchase, 3
9 customers bought one item, 57 customers bought two items, and the remaining customers bought three or more items. How many customers bought three or more items at the craft store?
Ht of ceiling = 10 ft which is two-thirds of living rm ceiling Ht of living rm ceiling = 2/3x = 10 ft 2/3h = 10 ft 2/3h times 3/2 to solve for h = 10 times 3/2 h = 30/2 h = 15 ft
