Concept explainers
Tofind:The number of books each friend owns.
Answer to Problem 8CR
One friend has 20 books and the other 5 books.
Explanation of Solution
Given information:
Two friends own a total 25 books. One owns four times as many as books as the other.
Methodused:
Obtain linear equation as per given condition and solve that.
Calculations:
Let a friend owns xand other friend owns y . Therefore, according to given condition
Further, one friend owns four times as many as books as the other.
Now, substituting
Thus, one friend has 20 books and the other 5 books.
Conclusion:
One friend has 20 books and the other 5 books.
Chapter 6 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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