Eric Nicholas K's answer to Kathy's Secondary 4 E Maths Singapore question.
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The last part is subjective. I assume that a student does not need to pay the monthly fees.
Date Posted:
5 years ago
If the monthly fee for June is also charged, then
x 830
y 840
z 835
so x offers the cheapest, but you must write it in matrix form.
x 830
y 840
z 835
so x offers the cheapest, but you must write it in matrix form.
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