Sofea Zahari's answer to logesh's Malaysia question.

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Sofea Zahari
Sofea Zahari's answer
26 answers (Tutor Details)
Hope it helps, so what you need to do is find the total volume of the structure, which can be divided into four blocks. Once you have found the total volume, find the volume of concrete used for the pebbles. So, using the percentage given, (45/100) x the total volume of concrete is your answer :)