a contractor who had a work force of 560 persons undertook to complete a portion of a stadium in 9 months.He was asked to complete the job in 7 months how many extra persons had he to employ
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Answer:
The final answer is 160.
Step-by-step explanation:
Given,
We have a contractor who employed 560 people to complete a portion of a stadium in 9 months. He was asked to complete the same job in 7 months. We need to find the number of extra people required for the same task to be completed in 7 months.
Total number of people in the first set = 560
Total Time for first set = 9
Total number of people in the second set = x
Total Time for second set = 7
560 * 9 = x * 7
560 * 9 / 7 = x
x = 720
Total number of extra people = Number of people in second set - Number of people in first set = 720 - 560 = 160
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