SOLUTION: Ted allots three hours for his walking -running exercise once a week, wherein he covers a total distance of 15km.If his speed rate in walking is 3 kph and his running speed is 12kp

Question 1067954: Ted allots three hours for his walking -running exercise once a week, wherein he covers a total distance of 15km.If his speed rate in walking is 3 kph and his running speed is 12kph, then how much does he cover running? Walking?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Constant Travel Rates Rule, RT=D to relate rate, time, distance

          SPEED       TIME         DISTANCE

WALK         3                     x

RUN         12                   y
        
TOTAL                    3            15

Solve the system: x for distance walked, y for distance ran.
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