Concept explainers
To calculate: The work done in raking leaves by Jenna and her brother together.
Answer to Problem 4CYP
The time required for Jeena and her brother to do the work together is
Explanation of Solution
Given information:
The required time for Jenna to rake leaves is
The required time for Jenna’s brother to rake leaves is
Formula used:
Work done:
Calculation:
Consider work as unity.
Calculate rate of Jenna’s work:
Calculate rate of Jenna’s brother’s work:
Calculate the total work.
Solve the above equation to find the value of t.
Hence, the time required for Jeena and her brother to do the work together is
Chapter 11 Solutions
Algebra 1
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