Cara and Rick are making origami swans for a cousin's wedding. They create a table to show the total number of swans they have each created after different days.
Cara makes 21 swans on the first day and 15 swans each day after that.
Rick makes 19 swans on the first day and 15 swans each day after that.
| Day | Cara's Swans | Rick's Swans |
|-----|--------------|--------------|
| 1 | 21 | 19 |
| 2 | 36 | 34 |
| 3 | 51 | 49 |
| 4 | 66 | 64 |
| 5 | 81 | 79 |
| 6 | 96 | 94 |
| 7 | 111 | 109 |