Question
PSLE
Xavier and Perry ran in a race around a 400 m track. Xavier ran at a speed of 193 m/min and Perry at a speed that was 20 m/min slower than Xavier throughout the race. How many complete rounds would Xavier have finished when he ran a distance of 600 m more than Perry?
3 m

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PSLE
Xavier and Perry ran in a race around a 400 m track. Xavier ran at a speed of 193 m/min and Perry at a speed that was 20 m/min slower than Xavier throughout the race. How many complete rounds would Xavier have finished when he ran a distance of 600 m more than Perry?