The computation of the ratio shows that 45 lemons are needed to make 30 cups of lemonade.
From the complete information, it should be noted that 12 lemons are required to make 8 cups of lemonade.
Therefore, the ratio in this scenario is 12/8 = 3:2. Therefore, when there are 30 cups, the number of lemons needed will be:
= 30 × 3/2
= 45
In conclusion, 45 lemons are needed to make 30 cups of lemonade.
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