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

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