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Concept explainers
Tofind:the total duration taken by Angela to complete the work.
![Check Mark](/static/check-mark.png)
Answer to Problem 8OE
Angela will take
Explanation of Solution
Given:
Brett usually takes
Brett after working 10 minAngela joined.
Concept used:
Rate of the work:
Ratio of work to the time interval with changes in time rate of work will change.
Calculation:
Brett work rate=
Time=
Brett work done:
The amount of work done by each person using the formula:
Together it can complete the whole driveway.
Multiplying both sides by the L.C.D of
Subtracting
Hence,Angela will take
Chapter 7 Solutions
Algebra: Structure And Method, Book 1
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