Question
PSLE
David and Fabian ran in a race around a 900 m track. David ran at a speed of 141 m/min and Fabian at a speed that was 20 m/min slower than David throughout the race. How many complete rounds would David have finished when he ran a distance of 900 m more than Fabian?
3 m

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PSLE
David and Fabian ran in a race around a 900 m track. David ran at a speed of 141 m/min and Fabian at a speed that was 20 m/min slower than David throughout the race. How many complete rounds would David have finished when he ran a distance of 900 m more than Fabian?