LateralRiddle #1410
Every weekday Rosa drives alone over the bridge into the city and pays a toll. Every evening she drives alone back over the same bridge and pays nothing. She has no discount. How?
Hint: Look at how the toll booths are set up.
Answer
Some bridges, like the Golden Gate Bridge, only charge a toll in one direction.
Charging one direction double does the same job with half the toll booths.
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