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Because both trains leave Pittsburgh for Washington, the equation comes from the fact that they travel the:
ASame mileage
BSame average
CSame minutes
DSame distance
Answer & Solution
Correct answer: D. Same distance
1. Their times differ but the route is the same.
2. So the distances are equal.
3. Set 4 times express equals 5 times local.
_Source: OpenStax Elementary Algebra 2e, Chapter 3, Uniform Motion Applications (CC BY 4.0)._
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