Answer:

6 pounds of kiwis cost $4
Explanation:
Given



Solving (a): Price of 1 pound kiwi
The given parameters can be translated to be:
3 pounds costs $2
i.e.

To get the cost of 1 pound, we divide both sides by 3



Solving (b): What does (6,4) represent
This can be rewritten as:

Recall that the representation is:


By comparison:

So, the above can be translated to mean.
6 pounds of kiwis cost $4