Answer: Part A: 11.90 pounds
Explanation:
Part A:
First off since you already know 11 tracks cost 9.35 pounds so you wanna find out how much 1 track costs to download.
To do that divide 9.35/11 whcih equals to 0.85 pounds.
Now you know the unit cost, all you have to do is mulitply 0.85 by 14, which is 11.90 pounds.
Part B: So sorry I couldn't answer, I don't really understnad the wording since I'm not really into the system of currency in pounds. Very sorry.