Question
PSLE
Henry completed the race in 135 seconds. Billy was 30 seconds slower than him.  How long did Billy take to complete the race? Give your answer in min and s. (Eg 1 min 2 s)
1 m

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PSLE
Henry completed the race in 135 seconds. Billy was 30 seconds slower than him.  How long did Billy take to complete the race? Give your answer in min and s. (Eg 1 min 2 s)