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(a) Terence’s speed the whole journey.

This should be pretty simple. I think all you have to do is identify that Terence took 5 hours to travel 475km. Hence, in order to find his speed, you have to take Distance / Time = 475/5 = 95

(a) Terence’s speed was 95km/h.

 

(b) How far was Jake from City F when Terence arrived?

Okay, so basically you know that: Terence reached City F at 5 p.m. Jake also started his journey at exactly 2 p.m.  By this set of lines, it is definitely true that Jake traveled for exactly 3 hours. Now we have to find the distance that Jake traveled. Distance = Speed * Time = 75km/h * 3 hours = 225km. However, this is NOT the end. We still have to take 475km – 225km = 250km. Remember? They said ‘how far AWAY’ was he and not ‘how far did he travel’. So please don’t be tricked!

(b) Jake was 250km away from City F when Terence arrived. 

 

Note: I am also just a Primary 6 student. I am really sorry if my answer is wrong but I hope that this helped. Thanks!

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