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9.12/s=2.4

 

 

i solved it s=3.8

 

my daughter has s=21.8880

 Jan 12, 2016
 #1
avatar+130511 
+5

9.12/s=2.4      rearrange as

 

s  = 9.12 / 2.4   = 3.8

 

 

 

cool cool cool

 Jan 12, 2016

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