I have absolutely no idea what these questions are. Can you help? And can you tell me how to solve them? thanks.

6.
The bill at a restaurant is $58.50, and Mrs. Johnson wants to leave a 15% tip. Approximately how much money should she leave? (1 point)

about $15.00
about $9.00
about $6.00
about $11.00

Mrs. Miller sells a house for $179,000. If she earns a commission of 6%, how much money does she earn? Write a proportion and show your work.

6.

Multiply:
0.15 * 58.5 = ?

179,000/100 = x/6

1074000 = 100x

10,740 = x