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+1
90
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Your field experience instructor wants to line up 9 cars for transportation to a grade school. Between you and your classmates, there are 28 cars available. How many different groups of 9 cars are possible? 

 

=____________

 Oct 30, 2018

Best Answer 

 #2
avatar+15330 
+2

28 c 9 =6906900 combos

 Oct 30, 2018
 #1
avatar+3726 
+1

Just divide, and you'll get 3 groups fo 9. 

 Oct 30, 2018
 #2
avatar+15330 
+2
Best Answer

28 c 9 =6906900 combos

ElectricPavlov Oct 30, 2018

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