Sally sells seashells for $4 each and averages 20 sales a week. A survey indicates that if she increases the price by $1 she will lose 2 sales. What should the selling price be to maximize revenue in a week. What is the maximum Revenue?

Finding tbe values of the variables in each kite

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?

Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20