the Speed of a train is 121/2 km/ hr how much distance the train will travel in 21/2 hr 45/2 minutes
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the Speed of a train is 121/2 km/ hr how much distance the train will travel in 21/2 hr 45/2 minutes
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Answer:
D = 657.9375 km
Step-by-step explanation:
first convert time to hours
21/2 hr + (45/2)/60 hr
21/2 hr + 45/120 hr
1305/120 hr
87/8 hr
distance = speed × time
D = S × T
D = (121/2 km/hr )× (87/8 hr )
D = ( 121×87)/(2×8) km
D = 10527/16 km
D = 657.9375 km
Answer:
Step-by-step explanation: