Eric Nicholas K's answer to Ning Loveslittlemermaid's Secondary 1 Maths Singapore question.

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
Find the lowest common multiple of 300 and 350 (not sure if you have learnt it though). You should obtain 2100.

That’s equivalent to 7 sets of option A or 6 sets of option B.

Make price comparisons from there.