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December 21, 2014

December 21, 2014

Posted by **Janet** on Wednesday, February 15, 2012 at 9:27pm.

- Algebra -
**MIKE**, Wednesday, February 15, 2012 at 9:29pmIthink its this

Let d = number of days

then

cost of west trip:

450d + 1075

cost of south trip:

375d + 1500

375d + 1500 < 450d + 1075

1500 < 75d + 1075

425 < 75d

5.67 < d

answer: 6 days or greater

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