Yee Miao Ling's answer to Kathy's Secondary 4 E Maths Singapore question.

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Yee Miao Ling
Yee Miao Ling's answer
29 answers (Tutor Details)
1st
For a) take note that that the amount of water doesn't change, since the questions only indicates that we need to add in salt.

Hence, we can use this to help us solve the question