Answer:
The expression which give you the number of black squares on a chessboard is:
B. 8 x 4
Step-by-step explanation:
It is given that:
A chessboard has 8 rows and 8 columns.
Each row has 4 white squares and 4 black squares.
This means that the number of white square on a chessboard are:
Number of white square in one row × Number of rows.
= 4 × 8
Similarly,
Number of white square on a chessboard are:
Number of black square in one row × Number of rows.
= 4 × 8
