Well using distance formula

The answer I got was Distance = 45.9 what ever unit of measure it might ask for. Feel free to check my math just in case.
Answer:
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Step-by-step explanation:
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8n+3=5
8n=2
N=.25
The number is .25 or 1/4
Answer: A train traveled486 miles in 7 hours
They would be going at least 40 - 70
Step-by-step explanation:
Compound interest:

where

is the amount you start with,

is the interest rate,

is the number of times interest is compounded per year, and

is amount of time that passes.