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January 31, 2015

January 31, 2015

Posted by **Shaba-laba-ding-dong** on Friday, December 12, 2008 at 5:37am.

- Math -
**drwls**, Friday, December 12, 2008 at 6:20amLet D be the distance between towns.

J reaches Happytown D/64 hours after starting. At that time, H has travelled for D/64 - 2 hours, and covered a distance 96*[(D/64)-2] km

Here is what you know:

96*[(D/64) -2] + 32 = D

3D/2 + 32 -192 = D

D/2 = 160

D = 320 km

J drove for 320/64 = 5 hours

H had driven for 3 hours when J arrived, covering 288 km, leaving 32 to go.

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