Question
PSLE
Perry and Luis ran in a race around a 900 m track. Perry ran at a speed of 229 m/min and Luis at a speed that was 20 m/min slower than Perry throughout the race. How many complete rounds would Perry have finished when he ran a distance of 900 m more than Luis?
3 m

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PSLE
Perry and Luis ran in a race around a 900 m track. Perry ran at a speed of 229 m/min and Luis at a speed that was 20 m/min slower than Perry throughout the race. How many complete rounds would Perry have finished when he ran a distance of 900 m more than Luis?