Question
PSLE
Archie and Eric ran in a race around a 1000 m track. Archie ran at a speed of 142 m/min and Eric at a speed that was 20 m/min slower than Archie throughout the race. How many complete rounds would Archie have finished when he ran a distance of 900 m more than Eric?
3 m

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PSLE
Archie and Eric ran in a race around a 1000 m track. Archie ran at a speed of 142 m/min and Eric at a speed that was 20 m/min slower than Archie throughout the race. How many complete rounds would Archie have finished when he ran a distance of 900 m more than Eric?