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1. How much longer is required to drive one mile at 60 miles/hour than at 100 miles/hour?
- A. 30 seconds
- B. 30 seconds
- C. 30 seconds
- D. 30 seconds
Answer: Option E
Explanation:
1/60 - 1/100
= 1/150
= 60*60/150
= 24 seconds
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