Answer:
However much he had on his card in the first place.
Step-by-step explanation:
Say he had $500 on his card. He took 0 rides ( no rides ) so he doesn't lose any money. Leaving him with his starting amount, $500.
It would take you about 13.3 hours to read 20 pages
I think the answer is D. But I am not sure if that's the right answer.