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0
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1
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 Apr 24, 2015

Best Answer 

 #1
avatar+128079 
+11

s /39  = 18 / 26

s / 39 = 9 / 13   cross-multiply

13s = 39 * 9     divide both sides by 13

s = 3 * 9   = 27

 

  

 Apr 24, 2015
 #1
avatar+128079 
+11
Best Answer

s /39  = 18 / 26

s / 39 = 9 / 13   cross-multiply

13s = 39 * 9     divide both sides by 13

s = 3 * 9   = 27

 

  

CPhill Apr 24, 2015

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