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December 21, 2014

December 21, 2014

Posted by **NONO** on Friday, October 2, 2009 at 10:16pm.

- ALGEBRA -
**drwls**, Friday, October 2, 2009 at 11:07pmPlease turn off you caps lock if you post questions here again.

For this problem, let V be the speed during the first 35 miles. The speed will then be V-5 during the last 17 miles.

The time spent at each speed equals distance divided by velocity at that time. The total time is 3 hours. Therefore:

35/V + 17/(V-5) = 3

Solve that equation for V

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