Question
Anna and Zara had an equal number of coins at first. Anna used 13 of her coins and Zara used 19 of her coins. They used 36 coins altogether. How many coins did Zara have in the end?
4 m

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Anna and Zara had an equal number of coins at first. Anna used 13 of her coins and Zara used 19 of her coins. They used 36 coins altogether. How many coins did Zara have in the end?