Respuesta :

albadranzainab5
A valid proportion would be 3/4=21/28.

You would multiply both the 3 & 4 is 3/4 by 7 to get 21/28.

Hope this helps!
Can u plz mark me as brainliest? I really need it!
earthfairy101
3/4=21/28.

You can have branliest if you want, never had it but it cool! Ur smarter and we’re first! :)

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