Answer
See answer below
Work Step by Step
Given: $-\frac{n}{3}\lt-1$
$-n \lt -3$
$n \gt 3$
Check: $-\frac{4}{3}\lt-1$
$-1.33 \lt -1$
$-\frac{5}{3}\lt-1$
$-1.667 \lt -1$
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