lily took a survey of 80 students in 7th grade and 150 students in 8th grade. She found that 80% of the 7th graders like country music, while only 60% of the 8th graders like it. Which grade has more students who like country music?

What's for breakfast? all people who ate at a certain restaurant were surveyed as to what they ordered on a particular sunday morning. 40 ate eggs 42 ate sausage 32 ate pancakes 13 ate sausage and eggs 15 ate pancakes and sausage 11 ate eggs and pancakes 6 ate all three items 3 people didn't eat any of the items how many people ate only pancakes? how many people ate at the resturant that morning? how many people didn't eat eggs?