Respuesta :

Answer:

3/9=3

3*18=54

you can buy 54 packages

Step-by-step explanation:

Answer:

6

Step-by-step explanation:

3/9=x/18

3/9=1/3

so 1/3=x/18

cross product

3*x=1*18

3x=18

x=18/3

x=6