Question
PSLE
Pierre and Sam ran in a race around a 500 m track. Pierre ran at a speed of 178 m/min and Sam at a speed that was 20 m/min slower than Pierre throughout the race. How many complete rounds would Pierre have finished when he ran a distance of 500 m more than Sam?
3 m

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PSLE
Pierre and Sam ran in a race around a 500 m track. Pierre ran at a speed of 178 m/min and Sam at a speed that was 20 m/min slower than Pierre throughout the race. How many complete rounds would Pierre have finished when he ran a distance of 500 m more than Sam?