A man performs 3/5 of the total journey by rail 7/20 by bus and the remaining 6.5kms on foot .His total journey
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total journey=x
=3x/5+7x/20+6.5 km
therefore distance travelled by foot
=total journey-distance travelled by bus-distance travelled by rail
=x-3x/5-7x/20
=x/20
but
x/20=6.5
x=130 km
Hope this helps
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