belinda measured the length of a board. it measured exactly 9 inches. then she cut the board in half. to the nearest inch, how long was each piece of board

9/2 = 4.5" = 5"

To find out how long each piece of board is after it was cut in half, you need to divide the original length by 2. Since the original length was 9 inches, you can divide it by 2 to get the length of each piece.

9 inches ÷ 2 = 4.5 inches

Now, to round it to the nearest whole inch, you need to look at the decimal part of the result. In this case, the decimal part is 0.5. Since the decimal is equal to or greater than 0.5, you round the whole number up to the next whole number.

Therefore, each piece of board is approximately 5 inches long.