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the ratio 6:21 can obtained from 2:7 by multiplying the ratio by a common factor. what is the common factor?

 Aug 20, 2015

Best Answer 

 #1
avatar+33654 
+10

6/2 = 3 and 21/7 = 3, so the factor is 3

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 Aug 20, 2015
 #1
avatar+33654 
+10
Best Answer

6/2 = 3 and 21/7 = 3, so the factor is 3

.

Alan Aug 20, 2015
 #2
avatar+14538 
+8

(63)(213)=27

 

(2×3)(7×3)=621

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 Aug 20, 2015

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