Answer
25/2 or 12.5
Steps
(4/5) X n + 8 = 18
(4/5) X n = 18-8 = 10
n = (10 X 5)/4
n = (5 X 2 X 5)/(2 X 2)
n = 25/2 = 12.5
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25/2 or 12.5
(4/5) X n + 8 = 18
(4/5) X n = 18-8 = 10
n = (10 X 5)/4
n = (5 X 2 X 5)/(2 X 2)
n = 25/2 = 12.5