John has s pairs of shoes, which is 1/3 as many as Shiela and twice as many as James. In terms of s, how many pairs of shoes do the three of them have combined?
A. 7/3*s
B. 10/3*s
C. 7/2*s
D. 4s
E. 9/2*s
OA E
Source: Princeton Review
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John has s pairs of shoes, which is 1/3 as many as Shiela
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BTGmoderatorDC
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BTGmoderatorDC wrote:John has s pairs of shoes, which is 1/3 as many as Shiela and twice as many as James. In terms of s, how many pairs of shoes do the three of them have combined?
A. 7/3*s
B. 10/3*s
C. 7/2*s
D. 4s
E. 9/2*s
OA E
Source: Princeton Review
We see that the number of pairs of shoes Sheila has is 3s, and the the number of pair of shoes James has is s/2, thus in total they have:
s + 3s + s/2 = 2s/2 + 6s/2 + s/2 = 9s/2
Answer: E
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