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sophie5988
27.01.2020 •
Mathematics
A12" pizza is $8. how much would you charge for a 9" pizza if you wanted to charge the same amount per bite for both pizzas? 6 is not the answer.
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Ответ:
The 12'' pizza has area of : pi*6^2 = 36pi
Price per bite = 8/(36pi) = 2/(9pi)
The 9" pizza has area of: pi*(9/2)^2 = (81pi)/4
Price per bite = X/(81pi/4) = 2/(9pi)
X = 2/(9pi) * (81pi)/4 = 81/18 = 9/2 = $4.50
Ответ: