Concept explainers
(a)
To complete: The given table.
(a)
Answer to Problem 33E
The complete table is shown in table (1).
Explanation of Solution
Given:
The table is as follows.
Work rate | Time | Work done | |
You | |||
Friend |
Calculation:
Let
First complete the table as follows.
Work rate | Time | Work done | |
You | |||
Friend |
Table (1)
Therefore, the complete table is shown in table (1).
(b)
To explain: The sum of the expressions represents in the last column, write and solve an equation to find the time taken by friend to paint the room.
(b)
Answer to Problem 33E
It would take 13.3 hours to paint the room.
Explanation of Solution
Given:
The table is as follows.
Work rate | Time | Work done | |
You | |||
Friend |
Calculation:
Let
The sum is the amount of time it would take you and your friend to work together.
Therefore, it would take 13.3 hours to paint the room.
Chapter 7 Solutions
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