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Mathematics, 18.03.2021 02:30 gabegabemm1

Mike built a sandcastle that's 10 meters by 10 meters and dug a moat around it. Then he decided to change it and make it 12 meters by 12 meters. How much longer will the new mat be than the old one? pls, help :(

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Mike built a sandcastle that's 10 meters by 10 meters and dug a moat around it. Then he decided to c...
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