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There are 638 students at a museum. All the students will tour the museum in
groups of up to 6 students. What is the smallest number of tour groups that can
be used?


Sagot :

First, divide 638 but 6 the best you can having remaining numbers
 
     106                                               1.) divide
 6 | 638
   - 636                                              2.) subtract
          2

There are 2 remaining students ( and yes every student must have a group)
So you have to create a another group for these 2 students making there be

107 tour groups

I did this to my best ability so i am so sorry if it is wrong but i hope this helps