Concept explainers
a.
To calculate: The number of students who chose either games or chat rooms.
a.
Answer to Problem 60E
The number of students who chose either games or chat roomsis
Explanation of Solution
Given information:
The following table:
Total number of students=
Calculation:
To calculate the number of students who use either games or chat room, find
b.
To calculate:How many more students chose e-mail than news and research.
b.
Answer to Problem 60E
The number of more students who chose e-mail than news and research is
Explanation of Solution
Given information:
The following table:
Total number of students=
Calculation:
To calculate how many more students chose e-mail than news and research, find the number of students in each field and then find their difference.
To find number of students who chose e-mail, find
To find number of students who chose news and research, find
To calculate how many more students chose e-mail than news and research, find their difference
c.
To calculate: The percent of all
c.
Answer to Problem 60E
Explanation of Solution
Given information:
The following table:
Total number of students=
Calculation:
To calculate the percent of all
The original number of students who chose games =
Therefore, total number of students who chose games=
The percent of
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Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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