Mathematics, 16.10.2019 19:00 nikitakhrabkov123

Mary baked 21 cookies on saturday and twice that many on sunday for a school fundraiser. 4 cookies fell on the ground and had to be thrown out. if she packaged 3 cookies to a bag, how many cookies were left over?

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Mary baked 21 cookies on saturday and twice that many on sunday for a school fundraiser. 4 cookies f...