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avatar+397 

deleted.

 Oct 28, 2019
edited by sinclairdragon428  Nov 20, 2019, 6:52:27 AM

Best Answer 

 #1
avatar+19832 
+2

How many ways can you place the 2 identical books into the 5 spaces?

10           (  5 C 2)

 

In EACH of those 10 ways, how many ways can yo place the other three books?

 

6           ( 3 P 3)

 

10 * 6 = 60 ways

 Oct 28, 2019
 #1
avatar+19832 
+2
Best Answer

How many ways can you place the 2 identical books into the 5 spaces?

10           (  5 C 2)

 

In EACH of those 10 ways, how many ways can yo place the other three books?

 

6           ( 3 P 3)

 

10 * 6 = 60 ways

ElectricPavlov Oct 28, 2019
 #3
avatar+397 
0

thanks!

sinclairdragon428  Oct 28, 2019
 #2
avatar
+1

ABCDD = 5! /2! = 60

 Oct 28, 2019

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