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Question
primary 6 | Maths
| Speed
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Ty
Date Posted: 4 years ago
Views: 609
D
duration: 4.5 h
speed: u+24
distance: 4.5u + 108
J
duration: 4.5 h
distance: 792-(4.5u+108) = 684 - 4.5u
speed: u
4.5 x u = 684 - 4.5u
u = 76 km/h
John's speed is 76 km/h
...
duration: 4.5 h
speed: u+24
distance: 4.5u + 108
J
duration: 4.5 h
distance: 792-(4.5u+108) = 684 - 4.5u
speed: u
4.5 x u = 684 - 4.5u
u = 76 km/h
John's speed is 76 km/h
...
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