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primary 5 | Maths | Rate & Ratio
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Ms. Chia
Ms. Chia

primary 5 chevron_right Maths chevron_right Rate & Ratio chevron_right Singapore

Hi tutors, please assist with this question. Appreciate working...details. thank you

Date Posted: 5 days ago
Views: 14

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leanne
Leanne's answer
75 answers (A Helpful Person)
1st
Hope this model helps explain. :)
Ms. Chia
Ms. Chia
5 days ago
Hi tutor, however the answer key shows 4.25m so I am sure how to obtain that answer...
leanne
Leanne
5 days ago
Hu! Sorry, it’s my typo error as I wrote 32.5 instead of 35.5 m in my explanation.

So the revised working, just substitute 35.5 to 33.5m .

4u= 35.5-18.5 =17m
Hence, 1unit = 17/4 =4.25m

The model and method remains the same. Sorry for my typo and thanks for bringing this up! Hope that explains
Ms. Chia
Ms. Chia
5 days ago
Thank you so the prompt and clear explanation..
leanne
Leanne
4 days ago
No problem, happy to help!