Question
Three girls, Min, Xuan and Xylia had a total of 3480 marbles. Some exchanges were made. First, Min gave Xuan as many marbles as Xuan had. After that, Xuan gave 13 of whatever she had then to Xylia. Finally, Xylia gave 15 of whatever she had to Min. As a result, they each had the same number of marbles. How many marbles did Min have at first?
5 m

Click button first when a symbol is required. X

Three girls, Min, Xuan and Xylia had a total of 3480 marbles. Some exchanges were made. First, Min gave Xuan as many marbles as Xuan had. After that, Xuan gave 13 of whatever she had then to Xylia. Finally, Xylia gave 15 of whatever she had to Min. As a result, they each had the same number of marbles. How many marbles did Min have at first?