Linda works at a pharmacy for $15 an hour. She also baby-sits for $10 an hor. She wants to earn $90 a week but does not want to work more than 20 hours a week. Show and
describe the numer of hours a week Linda could work at each job to meet her goals. Define variable

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?

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?