6 workers can build a wall in 30 days. If after 6 days 3 more workers join, find the number of days to build the same wall?
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xero099
11 months ago
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The wall can be built in 22 days by 6 workers in first 6 days and 9 workers in the rest of time.
How to use inverse proportionality to determine building time of a wall
In this question we must use the definition of inverse proportionality, in which the number of workers (), no unit, is inversely proportional to the building time (
), in days.
According to the statement, 6 workers spent 6 days building a wall and there are 24 days left for completion, but 3 more workers entered to reduce building time, which can be represented by the following expression:
In this scenario, the wall can be built in 22 days.
To learn more on inverse proportionality, we kindly invite to check this verified question: https://brainacademy.pro/question/4838941
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