Concept explainers
To check: which of the city has the greatest average number of cloudy days.
Answer to Problem 3P
The town will hold a runoff.
Explanation of Solution
Given:
From problem 3,
The given picture shows the average number of clear and cloudy days in full year:
Calculation:
Use matrices to organize the information:
The below matrix shows the clear and cloudy day in the month of September-February.
The below matrix shows the clear and cloudy day in the month of March-August.
Now, add the corresponding elements:
Here, the second column of the matrix represents the average number of cloudy days in a cloudy year for each city. The greatest number in that column is 165, which corresponding to Portland.
Therefore, Portland has the greatest average number of cloudy days.
Chapter 12 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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