Hi. Anyone can guide on this type of question ? Is not sure how this works. Than

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primary 5 | Maths | Rate & Ratio
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primary 5 Maths Rate & Ratio Singapore

Hi. Anyone can guide on this type of question ? Is not sure how this works. Thansk

Date Posted: 3 years ago

done {{ upvoteCount }} Upvotes

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Date Posted: 3 years ago

Opportunity

3 years ago

How to get 35 and 15 ? May I ask. Thansk

Sstrike

3 years ago

To ensure 15×0.2=3 → whole number
15 → 35

Sstrike

3 years ago

5×0.2=1
× 5 at both side