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primary 6 | Maths | Measurement
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Sha
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Date Posted: 4 years ago
Views: 324
snell
Snell
4 years ago
car
time= 1.5h
dist. = d
speed = d/1.5


van
time= 0.75 + 1.5 = 2.25h
dist. = d-3.75
speed = 65km/h


d- 3.75 = 65 x 2.25
d = 150km


avg speed of car = 100km/h

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