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Mathematics, 28.05.2021 17:10 SmokeyRN

Michael is in a 6-day cross-country biking challenge. He biked for 66, 46, 49, 64 , 67 miles on the days. How many miles does he need to bike on the last day so that his average (mean) is 57 miles per day?

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Michael is in a 6-day cross-country biking challenge. He biked for 66, 46, 49, 64 , 67 miles on the...
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