Question
PSLE
Ivan and Ben ran in a race around a 600 m track. Ivan ran at a speed of 216 m/min and Ben at a speed that was 30 m/min slower than Ivan throughout the race. How many complete rounds would Ivan have finished when he ran a distance of 900 m more than Ben?
3 m

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PSLE
Ivan and Ben ran in a race around a 600 m track. Ivan ran at a speed of 216 m/min and Ben at a speed that was 30 m/min slower than Ivan throughout the race. How many complete rounds would Ivan have finished when he ran a distance of 900 m more than Ben?