NOW_NEXT

I need to find the NOW-NEXT equation for pg.128 problem #3.

This problem asks for two NOW-NEXT equations (for parts a and c) so I created a mathcast to show you these: Links to mathcast: 1) [|Long URL] 2) [|Tiny URL] ([|What is a Tiny URL?])
 * Solution by Tim Fahlberg**:

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