The replacement set is
The inequality is
Replace a in with each value in the replacement set and check whether
the inequality is true. \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\
a \ | \
| \
True or False \ |
\
5 \ | \
| \
False \ |
\
10 \ | \
| \
True \ |
\
15 \ | \
| \
True \ |
\
20 \ | \
| \
True \ |
\
25 \ | \
| \
True \ |
The solution set is