At an appliance store’s grand-opening sale, 152 customers bought a washer or a dryer. Looking at the inventory, the store manager found that 94 washers and 80 dryers were sold. Of the 152 customers, how many bought only a washer?

A teacher decided to buy breakfast for her students while welcoming them during the first day of class. From these students , 22 of them want to have cereal for breakfast, 11 want bread, and 5 want both. How many students want either cereal or bread?

An ice cream shop has 15 flavors. You also have the choice of a sugar cone, waffle cone or cup. If a person orders two scoops of different flavor ice cream, how many possible orders are there, if you do not care about the order of flavors?

Last year's freshman class at big state university totaled 5,304 students. Of those, 1,257 received a merit scholorship to help offset tuituon costs their freshman year (although the amount varied per student). The amount a student recieved was N($3,443, $450). If the cost of full tuition was $4,500 last year, what percentage of students who recieved a merit scholarship did not recieve enough to cover full tuition? (Round your answer to the nearest whole percent.)