Respuesta :

Number of pencils bough by the student = 84
Number of pencils sharpened by the student = 35
Then
The number of pencils that was not sharpened = (84 - 35)
                                                                             = 49
So 35 pencils have been sharpened and 49 pencils have not been sharpened.
Then Number of pencils unsharpened:Number of pencils sharpened = 49:35
                                                                                                               = 7:5
So the ratio of the number of unsharpened pencil to the number of sharpened pencil is 7:5

Answer:

49:35

Step-by-step explanation:

Because if there were 84 pencils and 35 were sharpened, and it says ratio of un sharpened pencil to sharpened pencils, then, you would have to do 35-84 because the number that is left is the number of un sharpened pencils.

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