SOLUTION: 2 LINEAR EQUATIONS IN 2 UNKNOWNS or SIMULTANEOUS LINEAR EQUATIONS IN 2 UKNOWNS A jogger runs a given distance and then catches a ride back to his home by car. if the round trip

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: 2 LINEAR EQUATIONS IN 2 UNKNOWNS or SIMULTANEOUS LINEAR EQUATIONS IN 2 UKNOWNS A jogger runs a given distance and then catches a ride back to his home by car. if the round trip       Log On


   

Question 1122285: 2 LINEAR EQUATIONS IN 2 UNKNOWNS or SIMULTANEOUS LINEAR EQUATIONS IN 2 UKNOWNS
A jogger runs a given distance and then catches a ride back to his home by car. if the round trip of 10 miles takes one hour, the car travels at 40 miles per hour, and he jogs at 5 miles per hour. How long did the jugger run?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
                SPEED          TIME        DISTANCE
JOG               5             x            5x              
CAR              40             1-x         40(1-x)
Total                           1            10

Solve the distance sum equation 5x%2B40%281-x%29=10.