Yxcas's answer to nad's Primary 5 Maths Singapore question.

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Yxcas
Yxcas's answer
184 answers (A Helpful Person)
1st
Volume = length x width x height
1200 = 20 x 15 x height of water poured out
Height of water poured out = 1200 / 300 = 4cm
New height of water = 12 - 4 = 8cm