Posted by Linda on Tuesday, December 11, 2007 at 12:18am.
The number must be evenly divisible by 7. It must also be odd, since taking two at a time leaves 1. It must be two more than a multiple of 3, etc..
What can work?
Not 7 (3 at a time leaves 1)
Not 21 (3 at a time leaves none)
35? No. Five at a time leaves none.
49? No. Three at a times leaves 1
63? No. Three a time leaves none
77? No. Four at a time leaves 1
91? No. Three at a time leaves 1
119? Try it.
the coach is building shelves to store and organize the team's collection of 175 game videos. how many shelves will be needed if one shelf holds 28 videos?
the coach is building shelves to store and organize the team's collection of 175 game videos. how many shelves will be needed if one shelf holds 28 videos?
the coach is building shelves to store and organize the team's collection of 175 game videos. how many shelves will be needed if one shelf holds 28 videos?
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