“Por” is used to explain the cause or motive of something
“Para” is used to refer to the purpose of an action
They are the same. 1 Panamanian Balboa is equal in value to the US dollar. This changed throughout history but never too much. You can however still use regular US dollars to pay for things in Panama and the merchants won't bother you about it. This is because of historical events and colonization and freedom of panama and it's relations with the US.
A) había comido “Ella nunca había comido sushi”
Answer:
Alejandro and Eduardo (1)
Today for the beach. Alexander (2)
all things in your car. Want (3)
at nine in the morning. At eight thirty, Eduardo calls Alejandro.
EDUARDO: Hi, Alex! What time (4)
(us)?
ALEJANDRO: In thirty minutes. I'm going to (5)
my things in the car now.
EDUARDO: Alex, isn't it possible to leave at ten o'clock? I need to see my brother.
ALEJANDRO: What time do you have to see him?
EDUARDO: At a quarter past nine. (6)
(me) from my house now.
ALEJANDRO: Man, no problem. Who (7)
the music?
EDUARDO: Don't worry (Don't worry) ... I (8)
the music. Thanks and see you soon!
ALEJANDRO: Bye.Explanation: