OPEN MIDDLE - Building Shelves 1 Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to make the following problem true: Ricky is building ? sets of shelves for the office. It takes him ?? minutes to do each set of shelves. He'll be done building the sets in ? hours. Tags 3.MD.1 DOK 2: SKILL/CONCEPT CHASE ORTON Ricky is building sets of shelves for the office. It takes him minutes to do each set of shelves. He will be done building shelves in hours. 0 1 2 3 4 5 6 7 8 9​