Which best explains how the division equation relates to the diagram?   9 5/8 divide 1 3/8=7      a. a board is cut into 9 5/8 pieces. the division sentence shows that 7 of the  9 5/8 pieces are each 1 3/8 inches long.   b. a board is 7 inches long. the division sentence shows that when the board is cut into 9 5/8 inch pieces, each piece will be will be 1 3/8 inches long.   c. a board is 9 5/8 inches long and it is being cut into 1 3/8 inch pieces. the division sentence shows that there will be 7 pieces of board that measure 1 3/8 inches each.