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Suppose that a building will be completed by 2525 worker for 3030 days, if we want the building completed in 1515 days how many additional worker needed ....

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Q. Suppose that a building will be completed by 2525 worker for 3030 days, if we want the building completed in 1515 days how many additional worker needed ....
  1. Calculate Total Worker-Days: First, let's figure out the total worker-days needed to complete the building. This is the number of workers times the number of days they work.\newlineSo, 2525 workers for 3030 days is 25×3025 \times 30 worker-days.
  2. Determine Total Worker-Days: Now, we got 25×30=75025 \times 30 = 750 worker-days. This is the total amount of worker-days needed to finish the building.
  3. Calculate Number of Workers: If we want the building completed in 1515 days, we divide the total worker-days by the new number of days to find out how many workers we need.\newlineSo, 750750 worker-days divided by 1515 days equals to the number of workers needed.
  4. Find Additional Workers Needed: Doing the division, 750/15=50750 / 15 = 50 workers are needed to complete the building in 1515 days.
  5. Find Additional Workers Needed: Doing the division, 750/15=50750 / 15 = 50 workers are needed to complete the building in 1515 days.But we already have 2525 workers, so to find out how many additional workers we need, we subtract the original number of workers from the new number of workers.\newlineSo, 5025=2550 - 25 = 25 additional workers needed.

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