SOLUTION: A car made a run of 390 km in x hours. If the speed had been 4 km/ hrs more, it would have taken 2 hours less for the journey. Find the value of x.

Question 958980: A car made a run of 390 km in x hours. If the speed had been 4 km/ hrs more, it would have taken 2 hours less for the journey. Find the value of x.
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
R, rate
T, time
D, distance
RT=D

_______________speed___________time__________distance
As Done____________________x_____________390
Hypoth__________________x-2____________390

Do you find what to do?
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!

A car made a run of 390 km in x hours. If the speed had been 4 km/ hrs more, it would have taken 2 hours less for the journey. Find the value of x.

Solve to get:
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