# physical science

posted by .

What is the percentage increase in size when ordering a 14 inch rather than a 12 inch pizza?

• physical science -

(14^2-12^2)/12^2 = 52/144 = 13/36, converted to percent.

I squared the diameters because it is the area, not the diamter, that determimes the "size" (amount of food).

## Similar Questions

1. ### Geometry

Alonso can't decide which size pizza to order. The 10-inch cheese and sausage pizza is \$7.99, while the 12-inch deluxe is \$8.99. The dimensions given are the diameters of the pizzas. If he gets the 10-inch pizza, the total price will …
2. ### Math word problem

Alonso can't decide which size pizza to order. The 10-inch cheese and sausage pizza is \$7.99, while the 12-inch deluxe is \$8.99. The dimensions given are the diameters of the pizzas. If he gets the 10-inch pizza, the total price will …
3. ### math

Alonso can't decide which size pizza to order. The 10-inch cheese and sausage pizza is \$7.99, while the 12-inch deluxe is \$8.99. The dimensions given are the diameters of the pizzas. If he gets the 10-inch pizza, the total price will …
4. ### Math 157

A 7 inch pizza cost \$8 and a 14 inch pizza costs \$20. Tommy says the smaller pizza is a better buy because the larger pizza is twice as big and more than twice as expensive. Do you agree with his reasoning?
5. ### calculus

Question Part Points Submissions Used What is the percentage increase in size when ordering a 14-inch rather than a 12-inch pizza?
6. ### geometry

Papa's Pizza charges \$0.05 per square inch of pizza. Pizza is measured by the diameter. How much will pap's Pizza charge for a 7-inch, 10-inch, and 14-inch pizza?
7. ### Math

Alex makes a 14 inch diameter pizza, which includes a 1 inch crust. Donald wants to make a 10 inch diameter pizza with the same percent of crust as Alex's pizza. To the nearest tenth of an inch, approximately how wide will the crust …
8. ### Math

Cougar Pizza Parlor has just opened up across the street. You are thinking of inviting some friends over for pizza and ordering from Cougar's. You want to get the most pizza for the money. The menu shows the following prices. 6- inch …
9. ### Math

A 6-inch pizza costs \$3.50. A 12-inch pizza costs \$11. How much less is the area of the 6-inch pizza than the area of the 12-inch pizza?
10. ### Math

A 6 inch personal pizza has 630 calories, with 240 of those from fat. A 16 inch pizza is cut into 8 slices. Estimate the number of calories in one slice of a 16 inch pizza.

More Similar Questions