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Let x be the amount of money Kris needs to earn each weekend.
Kris will earn money for 8 weekends, so the total amount of money earned in the summer will be 8x.
The total amount of money Kris needs to have by the end of the summer is $1625.
Therefore, the inequality is 8x ≥ $1625.
To find the value of x, we can divide both sides of the inequality by 8:
x ≥ $1625 / 8 = $203.125.
The solution to the inequality is x ≥ $203.125.
In the context of the problem, this means that Kris needs to earn at least $203.125 each weekend in order to reach her goal of having at least $1625 by the end of the summer.