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Mathematics, 19.02.2020 06:00 hackman1216

Henry made 30 cookies for the bake sale. He ate 1/3 of them as they came out of the oven. He then had to bake 20 more cookies. At the sale, he sold 1/2 of them. How many cookies are left?

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Henry made 30 cookies for the bake sale. He ate 1/3 of them as they came out of the oven. He then ha...
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