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Village A was 300 km away from Village B.
Angela left Village A at 0900 and drove to Village B in a lorry.
At 0930 Benny left Village A and drove to Village B in a car.
Angela's driving speed was 12 km/h slower than Benny's.
At 1200, Benny caught up with Angela.
When Benny was 48 km from Village B, he stopped to wait for Angela.
(a) What was Angela's average speed in km/h ?
(b) What was Benny's average speed in km/h ?
(c) When Benny stopped to wait for Angela, how far was Angela from Benny at that point in time?
(b) How long did Benny have to wait for Angela? (Give your answer in minutes.)
Notes to student: