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NO.421
困难
00:00
本题平均耗时:3分18秒
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正确率:75%
On his trip to the airport, Grant drove a total of 9 miles. His average speed on the trip was x miles
per hour, where 30 ≤ 𝑥 ≤ 35. Which of the following could be the total number of minutes that
Grant took to make the trip?
Indicate all such numbers of minutes.
15
16
17
18
19
Select one or more answer choices.
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