Question: Solve the given problems by determinants, set up appropriate systems of equations. All numbers are accurate to at least two significant digits. A person spent

Solve the given problems by determinants, set up appropriate systems of equations. All numbers are accurate to at least two significant digits.

A person spent 1.10 h in a car going to an airport, 1.95 h flying in a jet, and 0.520 h in a taxi to reach the final destination. The jet’s speed averaged 12.0 times that of the car, which averaged 15.0 mi/h more than the taxi. What was the average speed of each if the trip covered 1140 mi?

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