2024 AMC 10A Problems/Problem 19

The test isn't available yet, but here is a puzzle for you.

A bus left from the Scarlet Devil Mansion; people boarded at the start. At Hakugyokurou, person got off and a person boarded. At Yukari's house, person left the bus. How many people are on the bus at the end?

$\mathrm{(A) \ } \0\qquad \mathrm{(B) \ } \1\qquad \mathrm{(C) \ } \frac{3}{2}\qquad \mathrm{(D) \ } \2\qquad \mathrm{(E) \ } \9$ (Error compiling LaTeX. Unknown error_msg)

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