Question

Ethan bought 4 greeting cards for $12 which proportion can be used to find p the price for nine of the same cards

Answer 1

For 4 greetings, it was = 12
So, for 1, it is = 12/4 = 3

Now, for 9 greetings, it would be: 3 * 9 = 27

In short, Your Answer would be $27

Hope this helps!