Amber is saving her money for new figure skates. they cost $149.99. she gets $20 a week allowance and babysits for 2 hours a week at $5.50 an hour. she gets paid once week. she pays $2.50 a week for school lunch. she saves the rest of money. write an inequality to find the number of weeks it will take her to save enough money for the skates. how long will it take her to save enough money to buy the skates?

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 distance between (–2 1/2,-3) and (1, –3)?

Martha needs 22.25 strawberries for every 5 smoothies she makes. complete the table to see how many strawberries she would need to make 10 smoothies and 20 smoothies.