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primary 5 | Maths | Rate & Ratio
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Est
Est

primary 5 chevron_right Maths chevron_right Rate & Ratio chevron_right Singapore

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Date Posted: 4 months ago
Views: 51
snell
Snell
4 months ago
left
I: 14 kg
S: 14x5 = 70 kg

no. of days: ◐

used
I: 5x◐ = ◐◐◐ ◐◐
S: 3x◐ = ◐◐◐

at first, they hav the same

◐◐◐ ◐◐ + 14 = ◐◐◐ + 70
◐ = 28

each has 5x28+14 = 154 kg


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