Siti has a rectangular tank that measures 30 cm by 20 cm by 25 cm. She pours 9 litres of water into the empty tank. What is the height of the water in the tank?
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Worked Solution
Step 1: Convert 9 litres to cubic centimetres: 9 L × 1000 = 9000 cm³.
Step 2: Compute the base area of the tank (length × breadth): 30 × 20 = 600 cm².
Step 3: Apply the volume formula: height = volume ÷ base area = 9000 ÷ 600 = 15 cm.
Final answer: The water is 15 cm high.
Answer: 15 cm
Correct answer: 15 cm
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