Question
PSLE
Mark completed the race in 190 seconds. Billy was 50 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
Mark completed the race in 190 seconds. Billy was 50 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)