PhysChemTutor's answer to YJin's Secondary 4 A Maths Singapore question.
Thank you for the detailed answer. This question is indeed from my daughter's Year 4 past year exam paper.
Hi Yong KC I am still unable to get the answer. Would you be able to show me how to work it out? Really struggling. Thank you.
Are u using g c?
I'm assuming g c means graphical calculator. This is from my daughter's PYP, and she is not allowed to use one.
Ok. I will work out the long way. Wait a while
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