SOLUTION: At the same starting point, Margeorie and Paula decided to run in opposite directions. Margeorie runs at a speed of 15 kph due west while Paula runs at a speed of 12 kph due east.

Question 1184139: At the same starting point, Margeorie and Paula decided to run in opposite directions. Margeorie runs at a speed of 15 kph due west while Paula runs at a speed of 12 kph due east. How long will it take
for them to be 135 km apart?
Answer by ikleyn(52788) (Show Source): You can put this solution on YOUR website!
.
At the same starting point, Margeorie and Paula decided to run in opposite directions.
Margeorie runs at a speed of 15 kph due west while Paula runs at a speed of 12 kph due east.
How long will it take for them to be 135 km apart?
~~~~~~~~~~~~~~~~~

The distance between them increases at the rate of  15 km/h + 12 km/h = 27 km/h.


Hence, they will be 135 km apart in   = 5 hours.

Solved.

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