Pete's flight: 11:15 AM EST to 1:30 PM CST. Flight duration?

Rationale

Pete's flight duration is 3 hours and 15 minutes.

To determine the flight duration from 11:15 AM EST to 1:30 PM CST, we first need to convert the time zone. CST is one hour behind EST, making it 12:30 PM CST when it is 1:30 PM CST. The duration from 11:15 AM EST to 12:30 PM CST is 1 hour and 15 minutes, and then from 12:30 PM CST to 1:30 PM CST is an additional hour. Therefore, the total duration is 3 hours and 15 minutes.

A (2 hr 15 min) YOUR ANSWER

This choice incorrectly calculates the flight duration. It does not account for the time zone change from EST to CST, leading to an underestimation of the total travel time. The duration from 11:15 AM to 1:30 PM is significantly longer than 2 hours and 15 minutes.

B (3 hr 15 min) CORRECT

This choice accurately reflects the total flight duration. By converting the time zones correctly and calculating the elapsed time from 11:15 AM EST to 1:30 PM CST, we find that the flight takes 3 hours and 15 minutes in total.

C (4 hr 15 min) YOUR ANSWER

This option overestimates the flight duration by including an extra hour. The calculation mistakenly assumes a longer duration than actually exists between the two times, disregarding the necessary time zone adjustment.

D (5 hr 15 min) YOUR ANSWER

This choice greatly exaggerates the flight duration. Like option C, it fails to accurately account for the time zone difference and adds an unnecessary two hours to the flight time, which is not supported by the given departure and arrival times.

Conclusion

Correctly determining flight duration requires careful attention to time zones. Pete's flight from 11:15 AM EST to 1:30 PM CST indeed lasts 3 hours and 15 minutes once the time zone difference is taken into account. Miscalculations in time zones can lead to significant errors in duration assessments, as seen in the incorrect choices provided.

Pete's flight: 11:15 AM EST to 1:30 PM CST. Flight duration?

Pete's flight duration is 3 hours and 15 minutes.

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