Mathematics, 10.04.2020 22:31 windline829

Chang is participating in a 5-day cross-country biking challenge. He biked for 67,46,61, and 68 miles on the first four days. How many miles does he need to bike on the last day so that his average (mean) is 61 miles per day?

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Chang is participating in a 5-day cross-country biking challenge. He biked for 67,46,61, and 68 mile...