A man travels for 4 hours. he covers half of his journey by bus at 40 kmph and the remaining at 30 kmph by motorcycle. what is the total distance he travelled?
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Hey friend..!! here's your answer
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Let the distance = x
![Time \: = \frac{Distance}{Speed} Time \: = \frac{Distance}{Speed}](https://tex.z-dn.net/?f=Time+%5C%3A+%3D+%5Cfrac%7BDistance%7D%7BSpeed%7D+)
According to question ,
![\frac{x}{40} + \frac{x}{30} = 4 \\ \\ \frac{x + x}{120} = 4 \\ \\ 2x = 480 \\ \\ x = 240 \frac{x}{40} + \frac{x}{30} = 4 \\ \\ \frac{x + x}{120} = 4 \\ \\ 2x = 480 \\ \\ x = 240](https://tex.z-dn.net/?f=+%5Cfrac%7Bx%7D%7B40%7D+%2B+%5Cfrac%7Bx%7D%7B30%7D+%3D+4+%5C%5C+%5C%5C+%5Cfrac%7Bx+%2B+x%7D%7B120%7D+%3D+4+%5C%5C+%5C%5C+2x+%3D+480+%5C%5C+%5C%5C+x+%3D+240)
So that the total distance is 240 km
__________
#Hope its help
_________________________
Let the distance = x
According to question ,
So that the total distance is 240 km
__________
#Hope its help
dipankar18:
thnku so much
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