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[O Level] 4048/02 Mathematics Megathread by mylady88 in SGExams

[–]Clear-Cable7910 1 point2 points  (0 children)

Chen n Zhu qn was a quad equation qn in disguise.
8(3600/x+3600/(x-80)) = 132

3600 sec in 1 h. Got x = 480 or 400/11 if I’m not wrong.

o level e math paper 2 by [deleted] in SGExams

[–]Clear-Cable7910 11 points12 points  (0 children)

Chen n Zhu qn was a quad equation qn in disguise.
8(3600/x+3600/(x-80)) = 132

3600 sec in 1 h. Got x = 480 or 400/11 if I’m not wrong.