Mathematics, 03.12.2020 22:30, aaronhorowitz36

A family drove 520 miles along Route 66 from Chicago, IL, to Springfield, MO. Passenger A drove x hours, while Passenger B drove y hours. Passenger A averaged 70 mph, while Passenger B averaged 55 mph. The total trip took 8 hours,
How long did Passenger A drive?

PLEASE HELP!!

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A family drove 520 miles along Route 66 from Chicago, IL, to Springfield, MO. Passenger A drove x ho...