Answer:
x is less then or equal to -3
x<-3 (the < has to have a line underneath)
Step-by-step explanation:
The equation is:
and Julianne will begin making a profit after 168 days.
<em><u>Explanation</u></em>
Her total start-up cost is $52,000.
Each day, she spends $650 on operating costs (like utilities and wages) and she earns $960 per day from her students' lesson fees.
If the number of days to overcome the start-up cost is
, then
the total operation cost spent in
days
and
the total students' lesson fees earned in
days 
<em><u>Part A:</u></em> The equation to represent the situation will be:
<u><em>Part B:</em></u><em> </em><em> </em>Julianne will begin making a profit when....

So, Julianne will begin making a profit after 168 days.
%=percent
percent means parts out of 100
20%=20/100
'of' means multiply
20% of 100 units means
20/100 times 100 units=2000/100 units=20 units