How do I get the right answer?! PLEASE HELP!?

I'm trying to find the asnwer to this but I can figure it out! please give the asnwer and how you got it! thanks
International travel and business require the conversion of American dollars into foreigh currency. During part of 2005, one American dollar was worth 6 Croatian Kuna. Robin converts x dollars into y kuna. Which expression is the independent variable in this situation?

I'm thinking it 6x

A. x
B. y
C.6x
D. 6y

Question

How do I get the right answer?! PLEASE HELP!?

I'm trying to find the asnwer to this but I can figure it out! please give the asnwer and how you got it! thanks
 International travel and business require the conversion of American dollars into foreigh currency. During part of 2005, one American dollar was worth 6 Croatian Kuna. Robin converts x dollars into y kuna. Which expression is the independent variable in this situation?
 
I'm thinking it 6x
 
A. x
 B. y
 C.6x
 D. 6y

anonymous · Answer

You are right

anonymous · Answer

I don't think that's right. Can you explain your reasoning.

anonymous · Answer

Sorry, I misread the question. The answer is x

anonymous · Answer

d = 6k
 
If d = x, 6k = y
 
y = 6x
 
The independent variable is x. The dependent variable y = 6x.