A traveler left his house on Tuesday at 10:00 AM and arrived at his destination on Wednesday at 6:00 PM. He stopped twice for 30 minutes each time to get gas and food. He also stopped for a 4-hour nap on Wednesday. How long did he drive for?

Rationale

He drove for 27 hours.

To determine the total driving time, we calculate the total duration from departure to arrival, subtracting the time spent on breaks and the nap. The traveler left on Tuesday at 10:00 AM and arrived on Wednesday at 6:00 PM, which totals 32 hours. After accounting for the 1 hour of breaks (two stops of 30 minutes each) and the 4-hour nap, the effective driving time is 27 hours.

A (28 hours) YOUR ANSWER

This choice incorrectly adds only a portion of the breaks and nap time. If we mistakenly consider 32 hours and subtract the 4-hour nap without accounting for the 1 hour of stops, we would arrive at 28 hours, which does not reflect the accurate total driving time.

B (32 hours) YOUR ANSWER

This option represents the total elapsed time from when the traveler left his house to when he arrived at his destination. However, it fails to account for the significant time spent on breaks and the nap, which must be subtracted to find the actual driving time.

C (27 hours) CORRECT

This is the correct choice, as it correctly calculates the driving time by subtracting the 4-hour nap and the 1 hour spent on stops from the total elapsed time of 32 hours.

D (15 hours) YOUR ANSWER

This choice significantly underestimates the driving time by not accounting for the full duration of travel. It disregards that the traveler was on the road for an extended period and does not accurately reflect the total driving duration based on the given times.

Conclusion

The total time the traveler drove is determined by assessing the duration of the trip and deducting time spent on breaks and sleep. After correctly accounting for both the breaks and the nap, it is evident that the traveler drove for 27 hours. This calculation emphasizes the importance of precise time management in travel scenarios, ensuring that all relevant factors are considered.

A traveler left his house on Tuesday at 10:00 AM and arrived at his destination on Wednesday at 6:00 PM. He stopped twice for 30 minutes each time to get gas and food. He also stopped for a 4-hour nap on Wednesday. How long did he drive for?

He drove for 27 hours.

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