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September 22, 2014

September 22, 2014

Posted by **michael** on Sunday, September 25, 2011 at 3:20am.

- Math -
**Creative Teacher**, Sunday, September 25, 2011 at 3:48amRemember your formula d=rt

40t=48(t-.30)

40t=48t-14.4

combine like terms

40t-48t=-14.4

8t=-14.4

isolate your t

t= 14.4/8 or 1.8 hours

With these word problems it is important to have your formula chart handy. This gives you a map to finding the answer.

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