It is cheeper to buy 127g of cookies for 7.03$. If you divide the cookie price by the G(cookies) you can see what price is higher.
I believe x would equal to 30.
Since 6 * 3 =18, 10 * 3 = 30.
What you do to one side, you must do to the other.
Hope I helped!
34/85%=34/0.85=40
So that's your answer.
4:3
4 to 3
4/3
I wrote all the three ways