It takes 12 people 15 hours to complete and certain job.how many hours would it take 18 people, working at the same rate to comp
lete 2/5 of the same job?
1 answer:
Answer:
2 Hours
Step-by-step explanation:
Required man hours to complete the full job = 12 *15
=180 Man hours
Required man hours to complete the 2/5 of the job = 180/5
= 36 Man hours
if 18 peoples are working,
required hours to complete the 2/5 of the job = 36 /18
= 2 hours
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