Thursday

September 29, 2016
Posted by **Lauren** on Sunday, November 16, 2008 at 3:47pm.

Problem

Kris has an endless supply of 4-cent and 7-cent stamps for mailing a package. What is the greatest amount of postage that cannot be affixed to a package using these stamps?

- math -
**michael**, Sunday, November 16, 2008 at 7:35pmbasically what is the gcm that these canot be..

easiest way...make a list

4,7,8,11,12,14,15,16,18,19,20,21,22,..... so the highest # is 17