AC Lim's answer to riz's Primary 5 Maths Area & Volume Singapore question.

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AC Lim
Ac Lim's answer
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Hope this helps
AC Lim
AC Lim
4 years ago
To calculate water needed to fill till brim...
Can use 25% of tank capacity since it already filled 75%.
144000 x 25/100 = 36000 ....