AC Lim's answer to Alvin's Primary 6 Maths Ratio Singapore question.

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AC Lim
Ac Lim's answer
12477 answers (A Helpful Person)
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Hope this helps
AC Lim
AC Lim
2 years ago
If cake left 1u - 10
Then bun left 3u-30
Alvin
Alvin
2 years ago
Sorry, can i ask about the 3u - 30? How to derive to this part? Thanks.
AC Lim
AC Lim
2 years ago
Ratio left bun : cake = 3 : 1
If cake left 1u - 10
Then bun will be (1u-10) (1u-10) (1u-10)
Total 3u-30
Alvin
Alvin
2 years ago
Oh ok, got it. Thanks for the explanation. Thank you so very much.