Question
PSLE
Archie and Owen ran in a race around a 900 m track. Archie ran at a speed of 171 m/min and Owen 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 400 m more than Owen?
3 m

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PSLE
Archie and Owen ran in a race around a 900 m track. Archie ran at a speed of 171 m/min and Owen 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 400 m more than Owen?