
Concept explainers
Tofind:the total duration when Abby and Carla works together.

Answer to Problem 5P
If Abby and Carla together work it will take
Explanation of Solution
Given:
Abby work rate:
Carla work rate:
Concept used:
Rate of the work:
Ratio of work to the time interval with changes in time rate of work will change.
Calculation:
This is the equation form oral exercise5:
Together it complete
Working together it will complete
Taking L.C.M and combining the like term from the equation
Multiplying both side by
Hence,if Abby and Carla together work it will take
Chapter 7 Solutions
Algebra: Structure And Method, Book 1
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