E Maths - Proportion

Is it going to come out for O-levels?

e.g. ?

Is it going to come out for O-levels?

why not?

Hi,

Please refer to this link:

and look at 1.2 Ratio, rate and proportion.

Know your syllabus to ace your subject, just like knowing your enemy allows you to win any battle (inspiration from Red Cliff II) :P

Cheers,
Wen Shih