Bill is 5 years old. Liz is 1 years old. Bill is how many years older than Liz?
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John has 9 crayons. 4 of them are in the green box and the others are in the red box. How many crayons are in the red box?
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George has 5 dollars more than Rani. Rani has 7 dollars. How many dollars does George have?
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Joanna is allowed to talk only for 8 minutes to her friend. She has already talked for 3. How many more minutes Joanna can talk?
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Laura watered 2 of the 8 plants. How many plants still need to be watered?
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