SOLUTION: Two cities n miles apart are located s inches apart on a certain map that is drawn to scale. What is the distance, in inches, on the map between two cities that are n + 1 miles apa

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Question 336587: Two cities n miles apart are located s inches apart on a certain map that is drawn to scale. What is the distance, in inches, on the map between two cities that are n + 1 miles apart?
(A) n/s (B) (n+1)/s (C) s/(n+1) (D) (s(n+1))/n (E) n/ (s(n+1))
Answer by stanbon(75887) About Me  (Show Source):
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Two cities n miles apart are located s inches apart on a certain map that is drawn to scale. What is the distance, in inches, on the map between two cities that are n + 1 miles apart?
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Develop a unit-comversion factor:
n miles = s inches
1 mil = (s/n)inches
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Then n+1 miles = (s/n)(n+1) inches
Ans: D
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Cheers,
Stan H.
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(A) n/s (B) (n+1)/s (C) s/(n+1) (D) (s(n+1))/n (E) n/ (s(n+1))