Kelly wants to create a rectangular playpen for his cats in his backyard, and estimates that the cats will need 500 square feet. he also wants the length of the playpen to be 20 feet longer than the width, so they have room to run. what dimensions should the playpen be?

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?