please answer my question, it's urgent
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Answer:
15 -5=10
5---6
9767
9999
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Given : Reach 15 mins late with speed 15 km/hr
Reach 15 mins earlier with speed 20 km/hr
To Find : Distance between places
Solution :
Let say Distance = D km
Speed = 15 km/hr
Time taken = D/15 hrs or 4D minutes
Speed = 20 km/hr
Time taken = D/20 hrs or 3D minutes
Time saved = 4D - 3D = D mins
Time Saves = 9 : 15 - 8 : 45 = 30 mins
Equate time saved:
D = 30
Hence Distance is 30 km
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