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
2 answers:
3/4=21/28 B.
Explanation: it’s a VALID proportion.
The correct answer would be A) 3/4=21/28
Explanation: 3 x 7=21; 4 x 7=28. None of the other answer choices demonstrate a proportion. Hope this helps:)
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