Concept explainers
Tofind:the total duration took by Rick to finish the job.
Answer to Problem 6P
Rick will take
Explanation of Solution
Given:
Phil can paint garage in
Rick can paint garage in 10 hours.
Together Can paint garage in
Concept used:
Rate of the work:
Ratio of work to the time interval with changes in time rate of work will change.
Calculation:
Phil work rate:
Rick work rate:
Working together it can complete
Amount of work done can be calculated using formula:
Taking L.C.M and distributing the terms:
Subtracting
By cross multiplying each other:
mixed number:
Hence,rick will take
Chapter 7 Solutions
Algebra: Structure And Method, Book 1
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