Answer:
Angela will spend $71.88 on the centerpieces for the luncheon
Explanations:
Since Angela chooses a flower bouquet for the centerpiece of each table, and there are 12 tables, it means there will be 12 bouquets.
Cost of 1 bouquet = $5.99
Cost of 12 bouquets = $5.99 x 12
Cost of 12 bouquets = $71.88
Angela will spend $71.88 on the centerpieces for the luncheon