The candy machine in the bookstore has five rows to choose from with six items in each row. currently, there are seven items that are sold out. if ari randomly pushed a button, what is the probability he will select an item that is already sold out?

You work for a landscape company that just got a contract to re-mulch a park. the area that needs mulching is 30 feet by 60 feet. they want a 3 inch layer of much on the area. the company has bags of mulch that cover 2 cubic yards that cost $4.00 per bag. how much will it cost the consumer just in materials to re-mulch the area (round to the nearest dollar)?