An escalator has a length of 225 ft. In a rush, Dominik walks up the escalator at 106 ft/min while the escalator is moving up at
1 answer:
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Answer:
Step-by-step explanation:
Formula for straight lines:
where m = slope, b = constant
Given:
y-intercept = -3 (0, -3)
m = ⅛
Substitute into formula to find b.
Substitute b into original formula
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>1,600
1,600 people are considered middle class.
I hope this helps!</span>
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>1,600
1,600 people are considered middle class.
I hope this helps!</span>