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Town A was 480 km away from Town B.
Gina left Town A at 0800 and drove to Town B in a lorry.
At 0830 Ben left Town A and drove to Town B in a car.
Gina's driving speed was 6 km/h slower than Ben's speed.
At 1030, Ben caught up with Gina.
Ben stopped to wait for Gina when he was 270 km from Town B.
(a) What was Gina's average speed in km/h ?
(b) What was Ben's average speed in km/h ?
(c) When Ben stopped to wait for Gina, how far was Gina from Ben at that point in time?
(b) How long did Ben have to wait for Gina? (Give your answer in minutes.)
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
- Give your answer to part (b) in minutes.