A cashier checks the price of a kitchen table that is marked $51, because it usually rings up at $86. What percentage is the discount? Round your answer to the nearest percent and include a percent sign (%).

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.