# Math

For a party; Mike is making an eight layer torte, which consists of eight 7-inch diameter cake layers with a cream topping on each. He knows that one recipe of cream topping will cover 55 square inches of cake. How many batches of the topping must he make to complete his torte? (Use pie=3.14 as an approximate value).

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1. area of layer = pi D^2/4 = 3.14 (49/4)
= 38.465 in^2
8 layers = 307.72 in^2
divide by 55
5.6 batches so make 6

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posted by Damon

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