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PSLE Mathematics

Question post on Sat, 07/07/2018 9:51am

help me plz

Owlinker · Answer 1 · Post on Mon, 09/07/2018 10:24am

Owlinker Post on Mon, 09/07/2018 10:24am

Water in container X:
8 x 7 x 12 = 672

Water in container Y:
9 x 4 x 2 = 72

Total water:
672 + 72 = 744

Khong Pek Mao · Answer 2 · Post on Sun, 08/07/2018 1:12pm

This is a Height Base Volume question.

1. Position of Y. 18 – 5 – 3 = 10 cm

2. Water height 12cm. Water in Y = 12 – 10 = 2 cm.

12 × 56 = 672

2 × 36 = 72

672 + 72 = 744

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