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In work problems, the parts of the job done by each worker in one hour add up to:
AThe whole job in that hour
BHalf the job in that hour
CTwice the job in that hour
DNone of the job at all
Answer & Solution
Correct answer: A. The whole job in that hour
1. Each worker covers a fraction each hour.
2. The fractions are added together.
3. They give the share of the job done in that hour.
_Source: OpenStax Elementary Algebra, Chapter 8, Solve Uniform Motion and Work Applications._
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