Chapter 4.7, Problem 7CQ

### Intermediate Algebra

10th Edition
Jerome E. Kaufmann + 1 other
ISBN: 9781285195728

Chapter
Section

### Intermediate Algebra

10th Edition
Jerome E. Kaufmann + 1 other
ISBN: 9781285195728
Textbook Problem

# For Problems 1-10, answer true or false.If a person can do a job in h   hours , then at the end of 3   hours he or she will completed h 3 of the job.

To determine

To state:

The given statement is true or false.

Explanation

Approach:

The rate of the work completion by he or she can be expressed as.

Rateâ€‰ofâ€‰theâ€‰work=1t...(1)

Here, time required to complete the job.

The rate of work completion can also be express as.

Rateâ€‰ofâ€‰theâ€‰work=CompleteÂ partÂ ofÂ Jobt1...(2)

Here, number of hours works on the job is t1.

Calculation:

Substitute hâ€‰hrs for t in equation (1).

Rateâ€‰ofâ€‰theâ€‰work=1(hâ€‰hrs)

Substitute 3â€‰hrs for t1 and the value of rate of work in equation (2)

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