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primary 6 | Maths | Speed
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roséanne
Roséanne

primary 6 chevron_right Maths chevron_right Speed chevron_right Singapore

Confused

Date Posted: 2 years ago
Views: 362
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Total distance = 5km/h x 2h = 10km
New speed = 5km/h x (1 - 20%) = 4km/h
New time = 10km ÷ 4km/h = 2.5h
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Ng Peng Liang
Ng Peng Liang's answer
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roséanne
Roséanne
2 years ago
Great explanation