i.
To find number of possible plants to sell on Friday to meet the goal.
i.
Answer to Problem 4P
Plants sold on Friday is at least 8.
Explanation of Solution
Given:
Number of plants sold on Wednesday = 8
Number of plants sold on Thursday= 9
Calculation:
Let a= number of plants sold on Friday.
Number of plants sold on Wednesday and Thursday = 17
Therefore,
Thus, Plants sold on Friday is at least 8 to reach their goal.
ii.
To explain the reason for which inequality symbol for all the three phrases is same.
ii.
Answer to Problem 4P
All the three phrases have same inequality symbol since all of them mean the same mathematically.
Explanation of Solution
Given:
- At least
- No less than
- Greater than or equal to
Calculation:
For at least we use the inequality symbol of
Similarly, we use
And, for greater than or equal to it is clear that
Hence, all the three phrases have same inequality symbol since all of them mean the same mathematically.
Chapter 3 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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