2019 4marks Methodist Girls P6 Paper2 SA2

P6 / Methodist Girls / 2019 / SA2 / Paper 2 – Q13 [4 marks]

Question:

Tap A and Tap B can fill a tank at a rate of 3 L per minute and 5 L per minute respectively. At first, only Tap A was turned on. When the tank was 1/4-filled with water, Tap B was then turned on. Six minute later, the tank was 7/8-filled with water. How much water was there in the tank just before Tap B was turned on?

Solution:

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