a.
To write: an equality that represents the given situation and graph it.
a.
![Check Mark](/static/check-mark.png)
Answer to Problem 36PPE
Explanation of Solution
Given information:
A student earns $10 per hour with two summer jobs at a café and $8 per hour at a market. And the student would like to earn at least $800 per month.
Let the student work
Then his total earning per month at the café is
Let the student work
Then his total earning per month at the market is
Total earning of the student is
Also the student wants to earn at least $800
Then the required inequality is given by,
And its graph is as follows-
b.
To state: whether the student can earn at least $800 per month or not.
b.
![Check Mark](/static/check-mark.png)
Answer to Problem 36PPE
No
Explanation of Solution
Given information:
The student works 60 h per month at the market and can work at most 90 h per month.
Since the student can work at most 90 h and he works 60 h at the market, then he has to spend only 90-60=30 hours at the café.
Then
And student can earn at least $800 if the above order pair lies in the shaded region or satisfies the inequality
The above order pair does not lie in the shaded region then the student cannot earn at least $800 per month.
Chapter 6 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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