Question
PSLE
Billy and Dylan ran in a race around a 900 m track. Billy ran at a speed of 158 m/min and Dylan at a speed that was 25 m/min slower than Billy throughout the race. How many complete rounds would Billy have finished when he ran a distance of 200 m more than Dylan?
3 m

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PSLE
Billy and Dylan ran in a race around a 900 m track. Billy ran at a speed of 158 m/min and Dylan at a speed that was 25 m/min slower than Billy throughout the race. How many complete rounds would Billy have finished when he ran a distance of 200 m more than Dylan?