Hello There Mate!
The correct answer is 200000.
Hope This Helps You!
Good Luck :)
I can tell you how to solve this problem.
You can find the areas using both the values as the radiuses (find the are of a circle).
Subtract the smaller area from the larger area and there is your answer.
Hope this helped.
Good Luck!
60-75%= 45
So 60-45=15
15 people used credit cards