Answer: The revenue-maximizing price is $10.
Step-by-step explanation:
Given that,
Inverse demand function: P =

Where,
P - Price per ride
Q - Number of rides per day
Revenue(R) = P × Q
=
× Q
=

Differentiating 'R' with respect to Q for calculating Marginal revenue(MR):
MR =

Here, MC = 0
MR = MC
= 0
Therefore, Q = 10,000
P =

=

= $10
Hence, the revenue-maximizing price is $10.