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If a river's pollution level is reduced by 25% and the current level is measured

Practice Questions

Q1
If a river's pollution level is reduced by 25% and the current level is measured at 200 units, what will be the pollution level after the reduction?
  1. 150 units
  2. 175 units
  3. 200 units
  4. 180 units

Questions & Step-by-Step Solutions

If a river's pollution level is reduced by 25% and the current level is measured at 200 units, what will be the pollution level after the reduction?
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