Joanna is allowed to talk only for 5 minutes to her friend. She has already talked for 4. How many more minutes Joanna can talk?
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My mom orders 6 pizza slices. We ate 4 slices. How many slices are left?
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Thomas has 1 dollars more than Karen. Karen has 9 dollars. How many dollars does Thomas have?
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My brother lost 2 pebbles out of the 5 pebbles he collected from the river. How many pebbles are left with my brother?
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Joanna invited 9 friends to her birthday party. Only 2 friends came to the party. How many friends didn't came to Joanna's party.
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