Question
PSLE
Sean and Justin ran in a race around a 800 m track. Sean ran at a speed of 175 m/min and Justin at a speed that was 20 m/min slower than Sean throughout the race. How many complete rounds would Sean have finished when he ran a distance of 800 m more than Justin?
3 m

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PSLE
Sean and Justin ran in a race around a 800 m track. Sean ran at a speed of 175 m/min and Justin at a speed that was 20 m/min slower than Sean throughout the race. How many complete rounds would Sean have finished when he ran a distance of 800 m more than Justin?