Question

Question #89cdd

Answer 1

`5 < n < 6`

Explanation:

The absolute value requires 2 solutions;
`- 10n + 5 < 55 ==> n > 5`
and
`10n - 5 < 55 ==> n < 6`
`5 < n < 6`
On the number line draw a line from 5 to 6 with circles
at 5 and 6 to indicate they are not included in the solution.