High School

A jet flew from New York to Los Angeles, a distance of 4200 km. The speed for the return trip was 100 km/h faster than the outbound speed. If the total trip took 13 hours of flying time, what is the jet’s speed from New York to Los Angeles?

Answer :

The distance traveled for the outbound trip is 4200 km, so the time taken for the outbound trip would be 4200/x hours. The total trip took 13 hours, so the time taken for the return trip would be 13 - (4200/x) hours.

Now, we can set up an equation: 4200/x + 4200/(x + 100) = 13.

Simplifying this equation will give us a quadratic equation. Solving it will provide us with the value of x, which represents the jet's speed from New York to Los Angeles.

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