2011 S1-02 Maths Blog
(Viva Voce) Chap 9 Exercise 9 Question 2.
Question 2:
Car X travels 60 km in 45 minutes. Car Y travels 72 km in 1 h 20 min. Find
(a) The average speed of car X
(b) The average speed of car Y
(c) The ratio of average speeds of cars X and Y
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