Question
Fiona has 37 more small pebbles than Gwen. How many small pebbles must Fiona give Gwen so that Fiona will have 19 more small pebbles than Gwen?
4 m

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Fiona has 37 more small pebbles than Gwen. How many small pebbles must Fiona give Gwen so that Fiona will have 19 more small pebbles than Gwen?