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You bought a festival pass giving you access to all concerts for three days for ...
✅ Перевірена відповідь на це питання доступна нижче. Наші рішення, перевірені спільнотою, допомагають краще зрозуміти матеріал.
You bought a festival pass giving you access to all concerts for three days for 100 euros. However, some special concerts are not included, and you have to buy additional tickets. The first extra concert costs 20 euros, the second 15 euros, and the third 10 euros. In economic terms, the utility you derive from these purchases is:
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