Solve this problem and identify the percent amount and base. what percent of 50 is 20?

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?