In a survey, the ratio of students who prefer muffins to bagels is 4 to 5. If the number of students surveyed who prefer muffins is 420, how many prefer bagels?
At a sports camp, there is 1 counselor for every 8 campers. If there are 320 campers attending the camp, how many counselors are needed?
In a survey of randomly selected students, 8 out of every 10 students said they use their phones to play games. If there are 820 students at Jamison Middle School, how many students can be expected to play games on their phones?
At Lonestar Middle School, 2 out of 5 randomly selected students participate in the science fair. If there are 800 students at the middle school, how many students can be expected to participate in the science fair?