Question
PSLE
Riordan completed the race in 340 seconds. He was 30 seconds slower than Justin. How long did Justin take to complete the race? Give your answer in min and s. (Eg 1 min 2 s)
1 m

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PSLE
Riordan completed the race in 340 seconds. He was 30 seconds slower than Justin. How long did Justin take to complete the race? Give your answer in min and s. (Eg 1 min 2 s)