a car takes 2hours to reach a destination by travelling at the speed of 60 km/h. how long will it take when the car travels at the speed of 80 km/h?
inverse variation or direct variation .
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Answer:
The time taken will be 1.5 hours
Step-by-step explanation:
let the car take x hours to reach the destination with a speed of80 km\hr
speed in km\hr 6080
time 2x
i is clear more speed less the time
60×2=80×x⇒x=60×2/80
=3/2
1.5 hours
it is a case of inverse proportion
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