Question
PSLE
Carl and Bobby ran in a race around a 900 m track. Carl ran at a speed of 223 m/min and Bobby at a speed that was 30 m/min slower than Carl throughout the race. How many complete rounds would Carl have finished when he ran a distance of 600 m more than Bobby?
3 m

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PSLE
Carl and Bobby ran in a race around a 900 m track. Carl ran at a speed of 223 m/min and Bobby at a speed that was 30 m/min slower than Carl throughout the race. How many complete rounds would Carl have finished when he ran a distance of 600 m more than Bobby?