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primary 5 | Maths | Area & Volume
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Tsl
Tsl

primary 5 chevron_right Maths chevron_right Area & Volume chevron_right Singapore

Pls help me in this math question. Thank you

Date Posted: 4 years ago
Views: 333
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C Meen
C Meen
4 years ago
Is using algebra allowed?
Yasshini
Yasshini
4 years ago
I think you must multiply it
Tsl
Tsl
4 years ago
We have not learn yet, is there other matter?
Tsl
Tsl
4 years ago
Pls help. Thank you
C Meen
C Meen
4 years ago
I cannot do without algebra
Tsl
Tsl
4 years ago
May I know what is your answer?
C Meen
C Meen
4 years ago
Volume of water
= 12 x 10 x 11
= 1320

Let x be the height
120x + 70x + 30x = 1320
220x =1320
x = 1320/220 = 6cm

Volume pour out
= 70x + 30x
= (70 x 6) + (30 x 6)
= 420 + 180
= 600 cm cube
Tsl
Tsl
4 years ago
Thank you very much

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Sin Yee
Sin Yee's answer
443 answers (A Helpful Person)
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Tsl
Tsl
4 years ago
Thank you
Tsl
Tsl
4 years ago
Thank you