A car completes a certain journey in 8 hours.It covers half the distace at 40 km per hour and rest at 60 km per hour.The length of the journey is ?
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40kmph×8/2+60kmph×8/2= 160km+240km= 400km
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Answer:
384 km
Step-by-step explanation:
Let the length of the journey be 2x
Speed = Distance /time
Time=Distance/Speed
8=x/40+x/60
8=60x+40x/2400
100x=19200
x=192
2x=2*192
which implies 384 km....
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