Tony uses 1/8 cup mozzarella cheese for every 16 square inches of pizza. How much mozzarella will he use for a circular pizza with a diameter of 20 inches?

(A) about 2.5 cups
(B) about 5 cups
(C) about 4 cups
(D) about 6.5 cups

I need an answer with a step by step solution! >_

~2.45 cups, or A

Step-by-step explanation:

First, find the area of the circle. Area formula is , but instead of the radius, we have the diameter. Halve the diameter to get the radius of 10 inches.

A = pi * 100

So the pizza has an area of around ~314.15 square inches.

Divide this number by 16 square inches to find how many 1/8 cups Tony uses.

314.15/16 = ~19.63 1/8 cups.

You can then divide 19.63 by 8 to receive how many cups he uses.

6.9

step-by-step explanation:

simple math really

6 1/2 times 0.6 = 3.9

but if you are just doing 6 and not 6 1/2 then the answer is 3.6

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step-by-step explanation: