There were 26 people at Charlotte and Oliver's birthday party. The total cost of the party was $1,429.74. How much did each person who attended the party cost?

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.

Use sigma notation to represent the following series for 9 terms.

How can writing phrases as algebraic expressions you solve problems?