Explanation:
10 = 0.5n + 1.5
0.5n + 1.5 = 10
0.5n x 10 + 1.5 x 10 = 10 x 10
5n + 15 = 100
5n + 15 - 15 = 100 - 15
5n = 85
5n/5 = 85/5 Divide both side by 5)
n = 17
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