Respuesta :

Answer:

Let the length of shorter piece be 3x and length of longer piece be 5x (THEIR RATIO IS 3:5)

Now, length of longer piece is 20 cm

So,

5x=20

x=4

Hence, length of shorter piece = 3x = 3*4=12 cm

Step-by-step explanation:

not sure, correct if im wrong

Answer:12.5cm

Step-by-step explanation: