Respuesta :

Answer:

20 1/4

Step-by-step explanation:

We can turn the fractions improper to solve

4 1/2= 9/2, 9/2 is the improper fraction so now we multiply

9/2 x 9/2=81/4, 81/4 is improper and isn't one of the choices so we can change it into a mixed fraction.

81/4 is equal to 20 1/4