This is a riddle but help would be appreciated Three people go to the Apple store and to buy a mac book that costs $3000 and each persons puts $1000. But, the manager realizes this and suddenly for some reason changes the price to 2500 and tells the cashier to give the people 500 back. The cashier decides to give only 300 back and keep 200. So now each person has put 900 where did the missing $100 go?

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?

The heaviest 16% of all men in weight weigh more than how many pounds ?

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)