Respuesta :

Answer:

0.75 cups

Step-by-step explanation:

2.25 cups/3 dozen = x / 1 cup        Cross multiply

2.25 * 1  = 3*x                                   Divide by 3

2.25/3 = x

x = 0.75

To make 1 dozen cookies, she will need 0.75 cups (3/4 cup).