Help???????????????????? 20 points
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Left her 
= 80%
100% - 80% = 20% <span>released 20 % of the amount</span>
100% - 80% = 20% <span>released 20 % of the amount</span>
The slope formula is:
First, let's solve the slope for Line 1.
a. Subtract y₁ from y₂.
b. Subtract x₁ from x₂.
c. Divide the result in step a by the result in step b.
Hence, the slope of Line 1 is -5.
Let's now solve the slope of Line 2. Use the same steps above.
a. Subtract y₁ from y₂.
b. Subtract x₁ from x₂.
c. Divide the result in step a by the result in step b.
Hence, the slope of Line 2 is 5.