16. A train travels 136/3 km every hour for the first 7/2 hours after leaving a station. After that it travels 101/2every hour for the next 5/2hours.What distance does the train travel during the six hours?
Please explain me step by step (if you know)...
Answers
Answered by
38
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Here is your answer:-
Given:-
Speed of train=136/3km per hour
Time=7/2 hours
To find :-
Distance =Speed * Time
= 136/3*7/2=476/3=158 2 /3
We know that:-
Speed =101/2km per hour
Time= 5/2 hours
To find:-
Speed=101/2*5/2=504/4=126 1/4
Therefore total distance = 158 2/3+126 1/4=3419/12=296 7/12
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Answered by
29
Step-by-step explanation:
Speed of a train = 136/3 km per hour
Time = 7/2 hours
Distance =speed x time
= 136/3 x 7/2
=476/3
=158 2/3
Speed=101/2 km per hour
Time=5/2 hours
Speed = 101/2 x 5/2
=505/4
=126 1/4
Therefore, total distance = 158 2/3 + 126 1/4
=476/3 + 505/4
= (1904+1515)/12
= 3419/12
=296 7/12
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