Concept explainers
To find: The time spend each day by the station to broadcast the commercials.
Answer to Problem 9P
There are
Explanation of Solution
Given:
The total time spends on programs and commercials are 20 hours.
The ratio of time spends on programs and commercial is
Calculation:
Let
From the given information,
Therefore, there are
Chapter 9 Solutions
Algebra: Structure And Method, Book 1
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