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The largest whole number for which 3 : 5 < 12 : ? is true is...
 

Answer Choices

A. 19

B. 20

C. 21

D. 24

 Feb 5, 2019
 #1
avatar+80 
0

3/5 = 12/x, x=20.

 Feb 5, 2019
 #2
avatar+111432 
+1

3/5 < 12 / x         cross-multiply

 

3x< 5*12

 

3x < 60              divide both sides by 3

 

x < 20

 

So.... A. 19

 

cool cool cool

 Feb 5, 2019

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