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primary 6 | Maths
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Cindy Tan
Cindy Tan

primary 6 chevron_right Maths

Nanyang Pri:
Ans Sheet:
3u-2u=80min
1u=80min
3u=80x3=240
240min=4h
Distance traveled by Timothy in 4h=216/3x2=144
Timothy's speed=144/4=36km/h

Pls help. I still don't understand the logic. Thanks.

Date Posted: 5 years ago
Views: 392

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Willy Sim
Willy Sim's answer
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Hope this helps
Cindy Tan
Cindy Tan
5 years ago
Hi, how do you know that the distance covered from 7.10 to 8.30 is 2u? Thanks
Willy Sim
Willy Sim
5 years ago
Because when they meet each other, the distance from town p is twice that of town q. Town q to the point they meet is 3u. Therefore town p to the meeting point is 6u. So 7.10 to 8.30 is 2u because from 8.30 to meeting point is 4u.