Given:
Number calories in a 6-inch pizza = 640 calories
For the pizza of 6 inch

For the pizza of 12 inch

Number calories in a 6-inch pizza = 640 calories, therefore:

Substitute:

And solve for x:

Now, Estimate the number of calories in one slice of a 12 inch pizza:

Answer: 320 calories
To find your sale price you must:

just simply follow that operation and you're good to go
1 (B), because 3+-2=1, and 5+-4=1, which amounts to 1/1, or whole number 1.
I know this is not technically answering your question but there is this app called photomath that I'm pretty sure could help u answer this question. hope if u try out the app it works for you.....
Answer:
i cant figure it out sorry
Step-by-step explanation: