What percent of the people checked out were men?

If 20% of a number is 35, what is 50% of that number?

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume