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Nicole scored t

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Nicole scored t

by sanju09 » Thu May 07, 2009 5:19 am
Nicole scored t more points than Andrew, who scored d points. Which of the following expresses the average of their scores, in terms of t and d?
A. (d + t)/2
B. (2 d + t)/3
C. (2 d + t)/2
D. (d - t)/2
E. (2 t + d)/2


OA C
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Re: Nicole scored t

by Pranay » Thu May 07, 2009 5:27 am
sanju09 wrote:Nicole scored t more points than Andrew, who scored d points. Which of the following expresses the average of their scores, in terms of t and d?
A. (d + t)/2
B. (2 d + t)/3
C. (2 d + t)/2
D. (d - t)/2
E. (2 t + d)/2


OA C
Sanju,

Andrew points are d

Nicoles point are Andrews points +t
=> d+t

so total is d+d+t = 2d + t

Thus, average is 2d+t/2
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