Respuesta :

Answer:

The guinea pig is 210 mm longer than Naomi's fish

or

The guinea pig is 21 cm longer than Naomi's fish

Step-by-step explanation:

Remember that

1 cm=10 mm

Convert cm to mm

guinea pig ------> 25 cm=25*10=250 mm

Subtract the length of Naomi's fish from the length of her guinea pig

so

250-40=210 mm

Convert to cm

210 mm=210/10=21 cm

Answer:

Naomi's fish is 210 millimeters longer or

Naomi's fish is 21 centimeters longer

Step-by-step explanation: took quiz got 100%