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Jacob and Tim left Village X and Village Y respectively at 0700.

They passed each other at 1030.

1`1/2` h later Jacob reached Village Y but Tim was 140 km away from Village X.

(a) How long did Jacob and Tim take to meet?

(b) What is the distance between the 2 villages?

Notes to student:

If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12