Respuesta :

MissPhiladelphia

Let x represents for each unknown number in the box

First box

 

Since there is given 12,60

X / 20 = 12 / 60

x = 4

 

second box

x / 15 = 12 / 60

x = 3

 

third box

100 / x = 12 / 60

X = 500 

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