Respuesta :

ChemistEncoder
The correct ratio is
C. 1:3
This can be explained by the fact that when you devide 15 and 45 by 15 you get 1 and 3

15/15 = 1

45\15 = 3
100 : 3 is correct because 1500 : 45 simplifies to that ratio. (15 meters is 1500 centimeters)

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