Julio makes a mocktail every evening. He uses 1 tablespoon of lime juice and tops with 1 cup of sparkling water.  He can usually squeeze 2 tablespoons of lime juice per lime. After 30 days, if limes are 3 for $1.00, how much will he have spent on limes? Let's answer step by step:
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He uses 1 tablespoon of lime juice per drink so over 30 days that's 1 * 30 = 30 tablespoons of lime juice. He can get 2 tablespoons of lime juice per lime and he will use 30 tablespoons of lime juice so he will need 30 / 2 = 15 limes. The limes are 3 for $1.00 and he needs 15 limes so that's 15 / 3 = $5.00. The answer: 5.
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