Let n is an unknown number.
\The word
the product of
and a number n
represents
.
The word
is greater than
represents
.
The word
is less than
represents
.
The word
the product of
and a number n is greater than 35 or is less than
represents
.
The compound inequality is
.
Solve the inequality 1:
.
Divide each side by negative 5 and reverse the inequality.
\
Cancel common terms.
\
.
Solve the inequality 2:
.
Divide each side by negative 5 and reverse the inequality.
\
Cancel common terms.
\
.
The solution set is
.
The value of n lies between
.
Check: To check, substitute three different values for n into the original first inequality
: a number
, a number less than
, and greater than
.
Let three values are
.
If
then
(This is true)
If
then
(This is false)
If
then
(This is false)
Check: To check, substitute three different values for n into the original second inequality
: a number
, a number less than
, and greater than
.
Let three values are
.
If
then
(This is false)
If
then
(This is false)
If
then
(This is true)
The solution set is
.