Question
Xylia has 38 more smoothed stones than Xandra. How many smoothed stones must Xylia give Xandra so that Xylia will have 18 more smoothed stones than Xandra?
4 m

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Xylia has 38 more smoothed stones than Xandra. How many smoothed stones must Xylia give Xandra so that Xylia will have 18 more smoothed stones than Xandra?