Question
Three girls, Olivia, Usha and Esther had a total of 2880 marbles. Some exchanges were made. First, Olivia gave Usha as many marbles as Usha had. After that, Usha gave 15 of whatever she had then to Esther. Finally, Esther gave 13 of whatever she had to Olivia. As a result, they each had the same number of marbles. How many marbles did Olivia have at first?
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Three girls, Olivia, Usha and Esther had a total of 2880 marbles. Some exchanges were made. First, Olivia gave Usha as many marbles as Usha had. After that, Usha gave 15 of whatever she had then to Esther. Finally, Esther gave 13 of whatever she had to Olivia. As a result, they each had the same number of marbles. How many marbles did Olivia have at first?