Skylar is blocking off several rooms in a hotel for guests coming to her wedding. The hotel can reserve small rooms, that can room 3 people, and large rooms, that can room 4 people. How many wedding guests could stay in the hotel if Skylar reserved 15 small rooms and 8 large rooms? How many wedding guests could stay in the hotel if Skylar booked s small rooms and large rooms?

Aschool typically sells 500 yearbooks each year for 50 dollars each. the economic calls does a project and discovers that they can sell 100 more yearbooks for every $5 decrease in price. the revenue for yearbook sales is equal to the number of yearbooks sold times the price of the yearbook. let x represent the number of $5 decrease in price. if the expression that represents the revenue is written in the form r(x)=(500+ax)(50-bx). to maximize profit, what price should the school charge for the yearbooks? what is the possible maximum revenue? if the school attains the maximum revenue, how many yearbooks will they sell?

What is the value of x in the diagram below?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup