Lizzy: An Italian restaurant earns $600 every weekday and twice as much on the weekend. How much money does it earn by the end of the month?.
Me: Hmmm, let me think. I think this is the detailed solution:
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On weekdays it earns $600 / weekday * 5 weekdays = $3000. During the weekend it earns twice as much each day so it makes ($600 * 2) / weekend day * 2 weekend days = $2400. Every week it earns $3000 + $2400 = $5400. By the end of the month, it earns $5400 / week * 4 weeks = $21600. Final answer: 21600.
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