First, you would need to create an equation for this problem.

=

Next, you would cross multiply.
5x = 8,000
Now, all you would have to do is isolate the x. To do this, you would divide both sides by 5.
x = <span>
1,6001,600 people are considered middle class. I hope this helps!</span>
<span>the limits as x approaches from the left and right of 1 is not equal.</span>
Answer:
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Step-by-step explanation:
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Answer:
x² -4x +4
Step-by-step explanation:
(x-2)(x-2)
x²-2x -2x +4
x² -4x +4