Question
PSLE
Albert completed the race in 310 seconds. He was 30 seconds slower than Ken. How long did Ken take to complete the race? Give your answer in min and s. (Eg 1 min 2 s)
1 m

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PSLE
Albert completed the race in 310 seconds. He was 30 seconds slower than Ken. How long did Ken take to complete the race? Give your answer in min and s. (Eg 1 min 2 s)