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professor190 [17]
3 years ago
7

PLZ HELP #3 pic included

Mathematics
1 answer:
Scilla [17]3 years ago
7 0
First find how long it would take one person to do this job. Which would be 120 hours since 15*8= 120. Do do half the job would require half the amount of time (60 hours). To do this half job with 5 men would be 60 hours divided across the 5 men which would be 12 hours each
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