Question
PSLE
Oscar and Luke ran in a race around a 800 m track. Oscar ran at a speed of 222 m/min and Luke at a speed that was 20 m/min slower than Oscar throughout the race. How many complete rounds would Oscar have finished when he ran a distance of 400 m more than Luke?
3 m

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PSLE
Oscar and Luke ran in a race around a 800 m track. Oscar ran at a speed of 222 m/min and Luke at a speed that was 20 m/min slower than Oscar throughout the race. How many complete rounds would Oscar have finished when he ran a distance of 400 m more than Luke?