Jimmy won 82 super bouncy balls playing basketball at the county fair. At school he gave three to every student in his math class. He only has 4 remaining. How many students are in his class? Your answer PLS HELPPP​

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)?