A ferris wheel can accommodate 55 people in 30 minutes. How many people could ride the ferris wheel in 4 hours? What was that rate per hour?

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?