Across
1. Leaves a couple bucks on the bar counter TIPS (5 letters)
5. Opera solo ARIA (4 letters)
6. Package before sending BOXUP (5 letters)
8. Number of Olympic gold medals won by Katie Ledecky 7 (1 letter)
9. What four quarters can equal DOLLAR (6 letters)
You can find more details and additional clues by visiting the links to crossword answer sites. Enjoy solving!