And the hotel has $25, the bell hop has $2, and each guest has $1 (x3) = $30 that they all started with.
Or, they collectively paid $25 (for the room) and $2 (for the tip) for a total of $27. $27/3 = $9.
The total of $29 is gotten from adding the tip twice and not factoring in the $5 change. Also, known as incorrectly adding everything together.
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While a standard engine is powered by a belt connected to the crankshaft, a turbo engine runs on its own exhaust steam, making it more energy efficient. -- CNN
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