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?

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**

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