Concept explainers
To calculate: The time needed for Cleveland to do a job by himself.
Answer to Problem 28PT
The time required for Cleveland to do the work alone is
Explanation of Solution
Given information:
The required time for Sydney to paint a wall is
The required time for Sydney and Cleveland to paint a wall is
Calculation:
Consider the part of wall painted by Clevelane in x minutes
The part of wall painted by Cleveland in
The part of wall painted by Sydney in
The part of wall painted by Sydney in
The part of wall painted by Sydney and Cleveland in
The part of wall painted by Sydney and Cleveland in
Form an equation based on the above information:
Substitute
Simplify the above equation to find the value of x .
Hence, the time required for Cleveland to do the work alone is
Chapter 11 Solutions
Algebra 1
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