Question
Gillian has 35 more crystals than Elyse. How many crystals must Gillian give Elyse so that Gillian will have 15 more crystals than Elyse?
4 m

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Gillian has 35 more crystals than Elyse. How many crystals must Gillian give Elyse so that Gillian will have 15 more crystals than Elyse?