A motorist travelled from town A to town B at an average speed of 54km/hr .On his returing journey his average speed was 60 kmph.If the total time taken9yrs and half hour,find the distance between the two towns.
brainlychamp:
are you sure its 9 years
its 9 1/2 hour
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Average speed =total distance /total time taken
Let distance be x
X/t1=54
X/t2=60& t1+t2=9*1/2
Let distance be x
X/t1=54
X/t2=60& t1+t2=9*1/2
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