Question

2. A meeting room has 8 rows of

chairs. Each row has 10 chairs.
The first people to arrive fil 2 rows.
How many chairs are not filled?

Answer 1

Answer:60

Explanation:

There are 80 chairs in all because 8 rows x 10 chairs per row. The first people fill two rows which is 20 chairs because each row is 10 chairs so 60 chairs are left