There are 77 cookies in a plate. 61 kids took one cookie each from the plate. How many cookies are left in the plate?
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Gail has to read 80 pages for her reading assignment. She read 63 pages. How many pages she has to still read?
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Thomas has to clean 41 windows. He has cleaned 8 of them. How many are still left to be cleaned?
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John is 88 years old. Liz is 66 years old. John is how many years older than Liz?
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Laura invited 47 friends to her birthday party. Only 30 friends came to the party. How many friends didn't came to Laura's party.
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