Question
Gillian, Xuan and Joelle had a total of 315 cards. Gillian gave 35 of her cards away. Joelle gave away 2 times as many cards as Gillian and Xuan gave away 35 cards. In the end, they had 172 cards left. How many cards did Xuan and Joelle have in total in the end?
4 m

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Gillian, Xuan and Joelle had a total of 315 cards. Gillian gave 35 of her cards away. Joelle gave away 2 times as many cards as Gillian and Xuan gave away 35 cards. In the end, they had 172 cards left. How many cards did Xuan and Joelle have in total in the end?