Respuesta :

The ratio should be 5:4 since the lcf is 3 so you divide each number by 3 and you get 5 and 4. (Please give brainliest answer :) :D )
Your answer would be D) 5:4.

because both factors 15 and 12 go into 3 so 15/3 is 5 and 12/3 is 4. 

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