Answer:
22.5cm
Explanation:
We have Aaron's school shoe's a Bulldog with a nose 1.2cm long and a front paw that measures 4.5 cm across.
If they plan paint an enlarged image of the Bulldog with a nose that is 6cm, then the scale factor of the enlargement is

Therefore the front can be obtained by multiplying 4.5 by 5.
That is 4.5*5=22.5cm