SOLUTION: A car completes a journey in 10 minutes. For the first half of the distance the speed was 60km/hr and the second half the speed was 40 km/hr. How far is the journey?

Question 970958: A car completes a journey in 10 minutes. For the first half of the distance the speed was 60km/hr and the second half the speed was 40 km/hr. How far is the journey?

Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
A car completes a journey in 10 minutes. For the first half of the distance the speed was 60km/hr and the second half the speed was 40 km/hr. How far is the journey?
***
let x=total distance of journey
x/2=distance of first half of journey
x/2=distance of second half of journey
travel time=distance/speed
10 min=1/6 hr
..

lcd:x
120+80=x/6
x=1200
How far is the journey? 1200 km
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