By Jeff
- **Jul 12**, 02:00 AM

Math
A certain Internet provider charges its customers 3 cents per minute spent online between 6 pm and 9 pm, 2 cents per minute between 9 pm and midnight, and 1 cent per minute at other times. If John was online from 4 pm till 1...

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By Jeff
- **Jul 11**, 02:00 AM

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By Jeff
- **Jul 8**, 02:00 AM

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By Jeff
- **Jul 7**, 02:00 AM

Math
What is the largest integer such that is a factor of 21! ?
A. 7
B. 9
C. 10
D. 12
E. 15
Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the answer)
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By Jeff
- **Jul 6**, 02:00 AM

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By Jeff
- **Jul 5**, 02:00 AM

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By Jeff
- **Jul 4**, 02:00 AM

Math
Working at their normal constant rates, 20 diggers can dig a 100-meter long trench in hard soil in 3 days. A construction company ordered the diggers to dig a 180-meter long trench in soft soil. If diggers can work 20% faster in soft soil than...

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By Jeff
- **Jul 1**, 02:00 AM

Math
A. 1.0
B. 1.7
C. 2.0
D. 2.4
E. 3.0
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
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There's still a little...

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By Jeff
- **Jun 30**, 02:00 AM

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By Jeff
- **Jun 29**, 02:00 AM

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