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Question

Answer

(a)
500 x 2 = 1000

(b)
150 – 100 = 50
1000/50 = 20

Ans : (a) 1000 m; (b) 20 min.

0 Replies 1 Like ✔Accepted Answer

This is a Distance Speed Time question. 

   Time   Speed   Distance  
David   1u 150 150u  
Edmund 1u 100 100u  

150u – 500 = 100u + 500  (meet at centre)

150u – 100u = 500 + 500

50u = 1000

b)

1u = 20 minutes

a)

500 + 500 = 1000 m

 

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