A group of people went to a coffee shop. Each person chose a drink and a treat. Drink Coffee Treat Muffin Tea Tart number of people who chose coffee: number of people who chose tea = 1:4 Of those who chose coffee, number of people who chose a muffin: number of people who chose a tart = 2:7 Of those who chose tea, number of people who chose a muffin: number of people who chose a tart = 5:1 What fraction of the people chose a tart? You must show how you get your answer.

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?

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

What is best way to getting answer for my exam is