Which step needs to be done first? Mr. Romanov teaches art and is planning for an upcoming project. Each of his 45 students will need 21 feet of twine. The twine is sold in 4-foot spools and he cannot purchase a partial spool. How many spools of twine will Mr. Romanov need to buy? How many feet of twine will Mr. Romanov need? How many 4-foot spools of twine will be needed to obtain the required amount? Which estimate should you check for reasonableness? V