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16 Sep 2014, 00:50
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
71% (02:10) correct
29%
(02:28)
wrong
based on 86
sessions
History
Date
Time
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Not Attempted Yet
If each of the \(n\) club members contributes \(x\) dollars for a new computer, how much less would each person have to contribute if there were 2 more members in the club?
A. \(\frac{nx}{n + 2}\)
B. \(x(n + \frac{n}{n + 2})\)
C. \(\frac{n}{nx + 2x}\)
D. \(x(1 - \frac{n}{n + 2})\)
E. \(nx- \frac{n}{n + 2}\)
A. \(\frac{nx}{n + 2}\)
B. \(x(n + \frac{n}{n + 2})\)
C. \(\frac{n}{nx + 2x}\)
D. \(x(1 - \frac{n}{n + 2})\)
E. \(nx- \frac{n}{n + 2}\)
16 Sep 2014, 00:50
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Official Solution:
If each of the \(n\) club members contributes \(x\) dollars for a new computer, how much less would each person have to contribute if there were 2 more members in the club?
A. \(\frac{nx}{n + 2}\)
B. \(x(n + \frac{n}{n + 2})\)
C. \(\frac{n}{nx + 2x}\)
D. \(x(1 - \frac{n}{n + 2})\)
E. \(nx- \frac{n}{n + 2}\)
The computer costs \(nx\) dollars. If the club had 2 more members, each member would need to contribute \(\frac{nx}{n+2}\) dollars. This amount is \(x - \frac{nx}{n + 2}\) less than the original contribution of \(x\).
Answer: D
If each of the \(n\) club members contributes \(x\) dollars for a new computer, how much less would each person have to contribute if there were 2 more members in the club?
A. \(\frac{nx}{n + 2}\)
B. \(x(n + \frac{n}{n + 2})\)
C. \(\frac{n}{nx + 2x}\)
D. \(x(1 - \frac{n}{n + 2})\)
E. \(nx- \frac{n}{n + 2}\)
The computer costs \(nx\) dollars. If the club had 2 more members, each member would need to contribute \(\frac{nx}{n+2}\) dollars. This amount is \(x - \frac{nx}{n + 2}\) less than the original contribution of \(x\).
Answer: D
15 Oct 2023, 13:44
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I have edited the question and the solution by adding more details to enhance its clarity. I hope it is now easier to understand.
