Jean watered 5 of the 8 plants. How many plants still need to be watered?
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Thomas has 2 dollars more than Joanna. Joanna has 9 dollars. How many dollars does Thomas have?
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Harry is 8 years old. Lorri is 1 years old. Harry is how many years older than Lorri?
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I filled a tank with 6 gallons of water. 6 gallons leaked from the tank. How many gallons of water is left in the tank?
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Karen invited 7 friends to her birthday party. Only 7 friends came to the party. How many friends didn't came to Karen's party.
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