SOLUTION: 6. For a holiday party, Marcus is making a six-layer torte, which consists of six 9-inch diameter cake layers with a cream topping on each layer. He knows that one recipe of cream

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Question 198673: 6. For a holiday party, Marcus is making a six-layer torte, which consists of six 9-inch diameter cake layers with a cream topping on each layer. He knows that one recipe of cream will cover 60 square inches of cake. How many batches of the topping must he make to complete his torte? (Use п = 3.14 as an approximate value)
Answer by jojo14344(1513) About Me  (Show Source):
You can put this solution on YOUR website!


One (1) cake layer with 9" dia.: A%5BC1%5D=%28pi%29%28d%2F2%29%5E2=%28pi%29%289%2F2%29%5E2=red%2820.25%28pi%29in%5E2%29.

There are 6 layers, 6%28A%5BC1%5D%29=6%2820.25%28pi%29%29=121.5%28pi%29in%5E2=green%28381.70in%5E2%29green%28Total_Area%29

So, ---> close to 7 batches (Answer)

Check,
, => more than enough to cover the total Area green%28381.70in%5E2%29

Thank you,
Jojo