Achessboard has 8 rows and 8 columns. each row has 4 white squares and 2 black squares. which expression below would give you the number of black squares on a chessboard?
a. 8 x 8 b. 8 x 4 c. 4 x 4 d. 8+8

The expression which give you the number of black squares on a chessboard is:

                       B.    8 x 4

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

is there a picture

step-by-step explanation: