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primary 6 | Maths
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Ashley ong
Ashley Ong

primary 6 chevron_right Maths chevron_right Singapore

Can anyone advise me how to get 16? Unsure y the teacher did that in the video. Thank you

Date Posted: 1 month ago
Views: 58
sstrike
Sstrike
1 month ago
6÷(9+11) = 0.3 h = 18 min
2.30 + 18 = 2.48 p.m (Ans)
J
J
1 month ago
Ashley , that 16 is a typo error.

It should have been :

6km → 6 × 1/20 h = 6/20h = 18/60 h = 18 min

Or

6km → 6/20 × 1 h = 3/10 × 1h = 3/10 h = 3/10 × 60 min = 18 min


The answer key is erroneous.


Sstrike has the right working and answer.
Ashley ong
Ashley Ong
1 month ago
Thank u..gt the same answer as u guys here. So i suppose the teacher make a mistake.

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sstrike
Sstrike's answer
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Ashley ong
Ashley Ong
1 month ago
Thanks much