Calculate tips, split restaurant checks evenly between friends, and compare tip percentages from 10% to 30% with optional dollar rounding.
| Tip % | Tip Amount | Total Bill |
|---|---|---|
| 10% | $5.50 | $60.50 |
| 15% | $8.25 | $63.25 |
| 18% | $9.90 | $64.90 |
| 20% | $11.00 | $66.00 |
| 25% | $13.75 | $68.75 |
| 30% | $16.50 | $71.50 |