How to do this in C++ ?

6. Suppose that over Speed and fine are double variables. Assign the value to fine as follows: If 0 15, the value assigned to fine is $150.00 plus $20.00 per mile over 15 6. Suppose that over Speed and fine are double variables. Assign the value to fine as follows: If 0 15, the value assigned to fine is $150.00 plus $20.00 per mile over 15