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42 votes
42 votes
One construction company can do certain job in ten days and a second construction company can do the same job in fifteen days. How many will it take to complete the job if the two construction companies work together? ​

User Asraful Haque
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2 Answers

13 votes
13 votes

Answer:

Step-by-step explanation: it will take them 5 days to complete the job

User Ultradoxx
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2.7k points
21 votes
21 votes

Answer:

technically it should take 12 and a half days

Explanation:

that is what is in-between the two amounts of days so it's the average if they bothe worked together but in my opinion in reality I think if they worked together it would take less than 10 days

User Jason Brady
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2.9k points