Question
PSLE
Valen and Paul ran in a race around a 600 m track. Valen ran at a speed of 172 m/min and Paul at a speed that was 20 m/min slower than Valen throughout the race. How many complete rounds would Valen have finished when he ran a distance of 400 m more than Paul?
3 m

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PSLE
Valen and Paul ran in a race around a 600 m track. Valen ran at a speed of 172 m/min and Paul at a speed that was 20 m/min slower than Valen throughout the race. How many complete rounds would Valen have finished when he ran a distance of 400 m more than Paul?