SOLUTION: 6. For a holiday party, Marcus is making a nine-layer torte, which consists of nine 8-inch diameter cake layers with a cream topping on each layer. He knows that one recipe of crea

Question 170386: 6. For a holiday party, Marcus is making a nine-layer torte, which consists of nine 8-inch diameter cake layers with a cream topping on each layer. He knows that one recipe of cream will cover 54 square inches of cake. How many batches of the topping must he make to complete his torte? (Use p = 3.14 as an approximate value)
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
AREA=PI*R^2
AREA=3.14(8/2)^2
AREA=3.14*4^2=3.14*16=50.24 IN^2 IS REQUIRED FOR EACH LAYER.
9*50.24=452.16 IN^2 IS THE TOTAL AREA TO BE TOPPED.
452.16/54=8.37 RECIPES WILL BE REQUIRED FOR ALL 9 LAYERS.
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