Answer:
4. n = 25
Explanation:
To isolate n we multiply both sides by 5/4
4/5 * 5/4 n = 20 * 5/4
1 * n = 25
4)n=25.
To isolate n, divide both sides by 4/5.
20/.8=25
The answer is 4) n=25
Hope this helps!
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