Answer:
x=75
Step-by-step explanation:

The solution to this problem can be found by taking 20% of $62.50:
0.2(62.5) = 12.5
The way the question is worded is confusing, but I think it's asking how much of a discount you would get. You would receive a $12.50 discount.
X=4
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The answer is: The second one. Why?
Because, when it's a linear graph, the slope of the graph cannot change.
And that's the only graph that fits the criteria
Hope this helped! c: