Your friend invested $500 in his shop to start off, and makes a $20 profit every week afterwards. write an inequality to find the minimum number of weeks it will take your friend to have a profit of 400

Maryann’s friends loved her bulletin board, and 4 of them asked her to make one for their homes. she offered to make each of her friends a replica of her bulletin board that measures 2 meters by 3 meters. how many kilograms of burlap should maryann collect to complete the bulletin boards for her friends? maryann should collect kg of burlap.