Question
Bobby finishes swimming at half past 4. He swam for half an hour. At what time did he start swimming? Give your answer in number. (Eg 1)
(1) 4 o'clock
(2) Half past 6
(3) 5 o'clock
(4) Half past 4
2 m

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Bobby finishes swimming at half past 4. He swam for half an hour. At what time did he start swimming? Give your answer in number. (Eg 1)
(1) 4 o'clock
(2) Half past 6
(3) 5 o'clock
(4) Half past 4