Lesson eLearning

A small town’s wastewater treatment plant can treat 1500 m³ of wastewater per day. During a week, it operates at an average utilisation of 70 %. What is the total volume of wastewater treated in that week?

hard 3 marks Class 7 · Science · Wastewater Story
Answer
7350 m³

The correct answer is 7350 m³ — Thus the plant treats 7350 m³ in the week.

Step-by-step solution

  1. Find daily treated volume:  m³.
  2. Multiply daily volume by 7 days:  m³.
  3. Thus the plant treats 7350 m³ in the week.
Common mistake: Neglecting to multiply by number of days

Concept tested: Capacity utilisation calculation

Published · How this solution was prepared and checked

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