Question
PSLE
Ken and Jack ran in a race around a 700 m track. Ken ran at a speed of 212 m/min and Jack at a speed that was 20 m/min slower than Ken throughout the race. How many complete rounds would Ken have finished when he ran a distance of 800 m more than Jack?
3 m

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PSLE
Ken and Jack ran in a race around a 700 m track. Ken ran at a speed of 212 m/min and Jack at a speed that was 20 m/min slower than Ken throughout the race. How many complete rounds would Ken have finished when he ran a distance of 800 m more than Jack?