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3 years ago

14

Kathy is baking cakes. Each cake requires 1/12 of a teaspoon of vanilla, and she has 9/12 of a teaspoon, how many cakes can she

bake

1 answer:

Vlada [557]3 years ago

8 0

9 cakes because 1/12 is one cake so 9/12 is 9 cakes

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Answer:

There are 220 choices

Step-by-step explanation:

Given

$People = 12$

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Required

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This is calculated using the following combination formula:

$^nC_r = \frac{n!}{(n - r)!r!}$

Where

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$r= 3$

So, we have:

$^nC_r = \frac{n!}{(n - r)!r!}$

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$^{12}C_3 = \frac{12*11*10}{3*2*1}$

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<em>There are 220 choices</em>

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Step-by-step explanation:

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