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Mathematics, 02.12.2020 04:40 F3R

A man bikes at a rate that is 6 miles/hour faster than the rate at which he jogs. After 30 minutes jogging and 90 minutes biking, the man has covered 21 miles. Over what distance was the man jogging?

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A man bikes at a rate that is 6 miles/hour faster than the rate at which he jogs. After 30 minutes j...
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