George has 69 crayons. 24 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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I filled a tank with 54 gallons of water. 45 gallons leaked from the tank. How many gallons of water is left in the tank?
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17 birds are sitting on a tree. 8 of them flew away. How many birds will be left on the tree?
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Thomas picked 37 strawberries from the farm and ate 23 of them. How many strawberries does Thomas now have?
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Liz has to read 97 pages for her reading assignment. She read 27 pages. How many pages she has to still read?
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