Question
PSLE
Carl and Charlie ran in a race around a 600 m track. Carl ran at a speed of 219 m/min and Charlie at a speed that was 20 m/min slower than Carl throughout the race. How many complete rounds would Carl have finished when he ran a distance of 800 m more than Charlie?
3 m

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PSLE
Carl and Charlie ran in a race around a 600 m track. Carl ran at a speed of 219 m/min and Charlie at a speed that was 20 m/min slower than Carl throughout the race. How many complete rounds would Carl have finished when he ran a distance of 800 m more than Charlie?