The inequality which represents the number days Joe will need to to run in order to meet his goal is [tex]4d\geq 60[/tex].
What is inequality?
A statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions is called inequality.
According to the given question.
Joe plans to run 4 miles every day.
And his goal is to run at least 60 miles.
Let Joe needs d days to run.
Therefore, according to the given condition the inequality which represents the number days Joe need to run in order to meet his goal is given by
[tex]4d\geq 60[/tex]
Hence, the inequality which represents the number days Joe will need to to run in order to meet his goal.
Find out more information about inequality here:
https://brainly.com/question/20383699
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