Answer:
B
Step-by-step explanation:
So we have the formula:

And we want to solve it for r.
So, let's first divide both sides by π and h. This will cancel out the right side:

Now, take the square root of both sides:

And we're done!
Our answer is B.
I hope this helps!
If Walter rode 12 times and 24 was deducted, then each bus ride costs :
24/12 = $ 2 per ride
7600 is the most it can hold and the least ig gonna be 1