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5 votes
The United States has about blank miles of the railroad tracks in 1850

User Swoot
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2 Answers

5 votes

Answer: b - 10,000

Step-by-step explanation:

User Shraddha Goel
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9.3k points
2 votes

Answer:

10,000

Step-by-step explanation:

it said about and I got it right

also it should be the second one

User Saar
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