Hi!
6,2n - 3,7n = 85 + 45
2,5n = 130
n = 130/2,5
n = 52
The correct answer is C. 52
Hope this helps!
Hello!
We want isolate the n. This is
6,2 n - 3,7 n = 85 + 45
2,5 n = 130 . ( 10 )
25 n = 1300
n = 1300 / 25
Hope this helps, good studies.
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