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Which is a valid proportion A.) 3/4=21/28 B.) 5/6=29/30 C.) 4/7=16/49 D.) 2/5=12/15​
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Which is a valid proportion A.) 3/4=21/28 B.) 5/6=29/30 C.) 4/7=16/49 D.) 2/5=12/15​

User Dmubu
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2 Answers

5 votes
A) 3/4=21/28

if you divide 21/28 by 7 you get 3/4
User Moid
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3 votes

Answer:

A. 3/4=21/28.

Explanation:


(3)/(4) =(21)/(28) \\, divide both by 7.

User Wgp
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