GMAT | TPAQ | Hard | OG | Lee is planning a trip

📖 *Question Text*
Lee is planning a trip and estimates that, rounded to the nearest 5 kilometers (km), the length of the trip will be 560 km and that, rounded to the nearest 1/4 hour, the driving time for the trip will be 7 hours. If these estimates are correct, then Lee’s average driving speed during the trip will be between *__x__* kilometers per hour and *_y__* kilometers per hour, where _x is less than y_.

From the values given in the table, select for _x_ and for _y_ the values that complete the statement in such a way that the interval between the selected values includes all possible average speeds for Lee's trip and _y – x_ is minimal. Make only two selections, one in each column.

• 73
• 76
• 79
• 82
• 85

🔎 *Question Source:* GMAT Focus Edition Official Guide
🏷️ *Type of Question* Two-Part Analysis - Quant

🖊️ *Solution Description:*
In this video, we have explained how to solve this difficult Official Guide question of Two-Part Analysis - Quant, using our “owning the dataset” approach in which we follow the following steps.
1. Thoroughly understand the dataset by actively translating, drawing inferences, and visualizing information.
2. Determine the approach to solve the question asked.
3. Execute the approach.

📌 *Chapters*
For your ease for re-access, we have provided the timestamps for the critical parts of the solution:

00:00 Owning the dataset
06:10 Question Stem - Strategize
08:55 Find the two values
13:16 Summary

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