Concept explainers
Tofind:the duration of each machine to do the job alone.
Answer to Problem 13P
It will take
Explanation of Solution
Given:
One printer work as twice as fast as other.
When both are used it can print a magazine in
Concept used:
Rate of the work:
Ratio of work to the time interval with changes in time rate of work will change.
Calculation:
The equation where
Combining like terms:
Multiplying both side by
Hence, it will take
Chapter 7 Solutions
Algebra: Structure And Method, Book 1
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