Arnold K H Tan's answer to Jollie's Secondary 4 E Maths Singapore question.

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Arnold K H Tan
Arnold K H Tan's answer
2124 answers (A Helpful Person)
1st
Note that for container B, you can only calculate the time taken to fill the container, t = 28s. The curved sketched is based on your knowledge that the lower part will fill faster, compared to the top of container B