Mathematics, 04.05.2021 16:00 naleyah

Nancy went on vacation and sent postcards to all of her family and friends. She needed 39 postcards, but the store only sold them in packs of 15. She bought 3 packs. How many postcards did she have left over?

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Nancy went on vacation and sent postcards to all of her family and friends. She needed 39 postcards,...

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