Respuesta :

carlosego
For this case what we can do is the following rule of three:
 3cm ---> 4.5m
 5cm ---> x
 Clearing the value of x we have:
 x = (5/3) * (4.5)
 x = 7.5 m
 Answer:
 the current length if it is 5 cm on the drawing is:
 x = 7.5 m