Ray has to clean 8 windows. He has cleaned 3 of them. How many are still left to be cleaned?
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A fish tank has 7 fishes. 3 of them have red fins and others have blue fins. How many fishes have blue fins?
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Danny picked 7 strawberries from the farm and ate 6 of them. How many strawberries does Danny now have?
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Gail is allowed to talk only for 8 minutes to her friend. She has already talked for 5. How many more minutes Gail can talk?
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A book costs $9.00. James has $3.00. How much more money does he need to buy the book?
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