Question
PSLE
Billy walked from his home to the school, which is 1.8 km away, at an average speed of 90 m/min. How many minutes did Billy take to walk from his home to the school?
1 m

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PSLE
Billy walked from his home to the school, which is 1.8 km away, at an average speed of 90 m/min. How many minutes did Billy take to walk from his home to the school?