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slega [8]
3 years ago
12

If 15 workers did a job is 8 hours, how long would it take 5 workers to do half of this job?

Mathematics
2 answers:
babymother [125]3 years ago
8 0
Since 15 workers did 8 hours of work, the total amount of work needed is 120 hours. Half of this job would be 60 hours. Then divide this amount by the 5 workers doing the job. This would make the job 12 hours
yarga [219]3 years ago
5 0
J=15w*8h=120(worker*hours)

5h=120/2

5h=60

h=12 hours
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