10. Salma takes 18 minutes from her house to reach her school on a bicycle. If the bicycle has a
speed of 3 m/ sec. Calculate the distance between her house and the school.
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Answer.
Speed = 2m/s
Time taken to reach school = 15 minutes = 15 × 60 seconds = 900 seconds
Speed = (Distance travelled)/ (Time)
Distance = (Speed x Time)
= 2 x 900 =1800m
Also 1km= 1000m
Therefore 1800x (1/1000) = 1.8km.
The distance between her house and the school is 1.8 km.
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