A car takes 4 hours to reach the destination by travelling at a speed of 60 km/h.
120
How long will it take if the car travels at a speed of 80 km/h?
Fon:
As speed increases tim
nortinn So the time
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0
Answer:
As speed increases, time taken decreases in same proportion. So the time taken and varies inversely to the speed of the vehicle for the same distance.
80
60
=
4
x
60×x=80 and 4÷x=y
60×4=80×x x=
60
80
x=
80
60×4
=3 hr 4÷
60
80
=y
y=
80
4×60
=3 hr
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