A PIZZA 18" D COST $9.00 FIND PRICE PER SQ IN.
9.00/PI*(81)
A = pi * r^2
A = 3.14 * 9^2
A = 254.34 square inches
Price per sq. in. = 9/254.34
2 different answers didn't understand
To find the price per square inch of a pizza, you need to know the total area of the pizza and the cost of the pizza.
First, let's calculate the total area of the pizza. The area of a circle can be found using the formula: A = π * r^2, where A is the area and r is the radius of the circle.
Since the diameter of the pizza is given as 18 inches, the radius (r) would be half of the diameter, which is 9 inches.
So, the area of the pizza would be:
A = π * (9 inches)^2 = 81π square inches.
Now, let's find the price per square inch. Divide the cost of the pizza by the total area.
Price per square inch = Cost of pizza / Total area of pizza
Price per square inch = $9.00 / (81π square inches)
To get the exact value, you can use a calculator or a math tool that can evaluate π (pi) to the necessary accuracy. Approximating π as 3.14 will give us an estimate.
Price per square inch ≈ $9.00 / (81 * 3.14) ≈ $9.00 / 254.34 ≈ $0.036 per square inch.
Therefore, the approximate price per square inch of the 18-inch diameter pizza is $0.036.