Question
Joelle bought some gifts for her relatives at an average price of $13.50. If Joelle decided to buy a pen which cost $13 for her father and a bag which cost $36 for her mother, the average price of the gifts would become $15.70. How many gifts did Joelle buy for her relatives?
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Joelle bought some gifts for her relatives at an average price of $13.50. If Joelle decided to buy a pen which cost $13 for her father and a bag which cost $36 for her mother, the average price of the gifts would become $15.70. How many gifts did Joelle buy for her relatives?