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Mathematics, 13.06.2020 05:57 grinch4

Amanda is participating in a 5 -day cross-country biking challenge. She biked for 41,69 ,49 , and 66 miles on the first four days. How many miles does she need to bike on the last day so that her average (mean) is 58 miles per day?

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Amanda is participating in a 5 -day cross-country biking challenge. She biked for 41,69 ,49 , and 66...
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