5 birds are sitting on a tree. 2 of them flew away. How many birds will be left on the tree?
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Laura invited 7 friends to her birthday party. Only 2 friends came to the party. How many friends didn't came to Laura's party.
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Rani is allowed to talk only for 9 minutes to her friend. She has already talked for 9. How many more minutes Rani can talk?
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Tracy watered 7 of the 7 plants. How many plants still need to be watered?
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I filled a tank with 6 gallons of water. 2 gallons leaked from the tank. How many gallons of water is left in the tank?
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