Respuesta :

Answer:

the guinea pig is 21 cm longer

Step-by-step explanation:

fish = 40 mm

guinea pig 25 cm

convert the fish to cm

1 cm = 10 mm

40 mm * 1 cm/10 mm =  4 cm


guinea  pig - fish

25 cm - 4 cm

21 cm

the guinea pig is 21 cm longer