Opinion: Can somebody do the math for me?

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One of the buslines on my route has been canceled as of the end of this week.

As of the beginning of this month, my fare increased 20%, with the approval of the editorial board.

So if price increases 20% and service decreases 50%, how fast does a light rail train need to be traveling in the opposite direction for the collision with my bus to put me out of my misery?