A university has a ratio of students to faculty of 105 to 2. If the student population in university is 15,750, how many faculty members are needed?

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

How do you convert 1.27 to a percentage

What does the relationship between the mean and median reveal about the shape of the data