Answer:
35 chairs in all
Step-by-step explanation:
each row has 4 chairs as if 4 rows has 19 extra chairs and 6 rows has 11 there are 8 chairs in 2 rows which means 4 chairs are in 1.
so take 4 (rows) x 4 (chairs) and get 16
16 + 19 (leftover) and get 35