Mathematics, 24.11.2021 01:00, sistersaray

Derek trained for 3 hours last Sunday. He covered a total of 32 miles running and biking. He biked three times as many miles as he ran and his biking speed was 4 mph faster than
his running speed. How fast did Derek run that day?

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Derek trained for 3 hours last Sunday. He covered a total of 32 miles running and biking. He biked...