Question
PSLE
Nick completed the race in 305 seconds. Riordan was 20 seconds slower than him.  How long did Riordan take to complete the race? Give your answer in min and s. (Eg 1 min 2 s)
1 m

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PSLE
Nick completed the race in 305 seconds. Riordan was 20 seconds slower than him.  How long did Riordan take to complete the race? Give your answer in min and s. (Eg 1 min 2 s)