Question #89cdd

1 Answer
Aug 15, 2017

#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.