SOLUTION: Sandra left New York and drove at a speed of 20 kph. Cecille left 3 hours later, from the same point, and drove at a speed of 30 kph. How long it will take Cecille to catch up Sand

Question 503705: Sandra left New York and drove at a speed of 20 kph. Cecille left 3 hours later, from the same point, and drove at a speed of 30 kph. How long it will take Cecille to catch up Sandra?

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
What is Sandra's head start in km?

km
Start a stop watch when Cecille leaves
Cecille's equation:

Sandra's equation:

Since is the same for each,

It will take 6 hours for Cecille to catch up Sandra
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