A plant needs 3 litres of water each week to grow. How much water will it need in 6 weeks?
Answer
18 litres
The correct answer is 18 litres — Thus the plant needs 18 litres in 6 weeks.
Step-by-step solution
- Understand that the plant requires 3 litres every week.
- Multiply the weekly amount by 6 weeks: litres.
- Thus the plant needs 18 litres in 6 weeks.
Common mistake: Adding 3 to 6 instead of multiplying.
Concept tested: Multiplication of weekly quantity
Published · How this solution was prepared and checked
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