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OpenStudy (anonymous):
It is estimated that a certain job will take a total of 50 person-hours. If 5 people are assigned to this job, how long will it take them to complete the job?
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OpenStudy (anonymous):
\[\frac{50p}{h}\]\[5p\]
OpenStudy (anonymous):
get rid of p by dividng 5p/(50p/h)
OpenStudy (anonymous):
A 10 hours B. 40 hours C. 55 hours D. 250 hours
OpenStudy (anonymous):
\[\frac{50p}{h} \div 5p=\frac{50p}{h}.\frac{1}{5p}=\frac{10}{h}\]
OpenStudy (anonymous):
thanks
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OpenStudy (anonymous):
ten hours
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