Question
Three girls, Emma, Eva and Olivia had a total of 1320 coins. Some exchanges were made. First, Emma gave Eva as many coins as Eva had. After that, Eva gave 15 of whatever she had then to Olivia. Finally, Olivia gave 15 of whatever she had to Emma. As a result, they each had the same number of coins. How many coins did Emma have at first?
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Three girls, Emma, Eva and Olivia had a total of 1320 coins. Some exchanges were made. First, Emma gave Eva as many coins as Eva had. After that, Eva gave 15 of whatever she had then to Olivia. Finally, Olivia gave 15 of whatever she had to Emma. As a result, they each had the same number of coins. How many coins did Emma have at first?