Answer:
Ron will be paying 195.65 euros for the camera.
Explanation:
This question can be solved as a rule of three problem.
The exchange rate is $1.15 per euro, that is, 1 euro is $1.15.
Ron is willing to pay $225. How many euros is this? So:
1 euro - $1.15
x euros - $225.



Ron will be paying 195.65 euros for the camera.