a public sewer line is being installed along 80 1/2 m of road. the supervior says that the labourers will be able to complete 7.5 m in one day. How long will the project take to complete?
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a public sewer line is being installed along 80 1/2 m of road. the supervior says that the labourers will be able to complete 7.5 m in one day. How long will the project take to complete?
I need complete explanation!
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Answer:
11 days
Step-by-step explanation:
The length of sewer line to be installed: 80 1/2 m
The length of sewer line installed in one day: 7.5 m
Time to complete installation- ?
Time is equal to total length / length installed per day:
. So time 80 1/2 m/ 7.5 m
80 1/2 m = 161/2 m and 7.5 m = 15/2 m
(161/2)/(15/2) = 161/15 = 10 11/15 days = 11 days as it takes most of day 11
Answer is 11 days
Step-by-step explanation:
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