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December 22, 2014

December 22, 2014

Posted by **Jessica** on Wednesday, November 15, 2006 at 4:26pm.

Hint: We do know that one car is 180 miles ahead of the other, so the slow car's distance can be represented by " d " and the distance of the fast car, which would be ahead, can be represented by "d + 180." The time is the same again, and can be represented by "t." This time we have two unknowns, so we need two equations, one for the fast car, and one for the slow car. Again we are using the basic formula d = rt , and substituting the values that are relevant to our situation. The equation for the slow car is: d = 55t. You write the equation for the fast car, and solve the system by substitution. Don't forget the units in your answer.

- Help again...Math!! -
**lol**, Saturday, November 29, 2008 at 6:46pmwow ;) just kidding

im stuck on this one too.

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