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primary 6 | Maths | Speed
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Fasmina
Fasmina

primary 6 chevron_right Maths chevron_right Speed chevron_right Singapore

Plz help

Date Posted: 4 years ago
Views: 275
snell
Snell
4 years ago
distance need to travel remains the same => d


80 km/h
time taken = d/80 h


40 km/h
time taken = d/40 h


time difference
= 35 - 5
= 30 min
= 0.5 h

time difference
= d/40 - d/80


d/40 - d/80 = 0.5
d = 40 km

he needs to travel 40 km


...

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Alysha
Alysha's answer
24 answers (A Helpful Person)
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Officially The answer by Snell
Fasmina
Fasmina
4 years ago
Help me plzzzzz