According to a survey, 25% of students at a particular school take the bus to school. A total of 200 students take the bus. How many students attend this school?

Michelle had a birthday party. she bought a bag of candy with 96 starbursts, 72 hershey's, and 68 reese's. she wants to use all the candy she bought to make goody bags with the same amount of starbursts, hershey's and reese's in each bag. what is the largest number of bags she can make?

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.