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2 years ago

11

Jenna used 3¼ cups of butter for her secret sugar cookie recipe. Her recipe bakes 18 cookies. If she needs to bake 45 cookies fo

r her school’s bake sale, how many cups of butter should she use?

1 answer:

Gekata [30.6K]2 years ago

3 0

Answer:

well, 45/18 = 2.5

So she will need 2.5 as much of everything in her recipe

what is 2.5*(3 1/4) ?

do it as 2.5*3.25 or (5/2)(13/4)

Step-by-step explanation:

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2 years ago

Read 2 more answers

The fee to check luggage with anew arline is based on the weightof each bag. Brett paid $7.14 tocheck a 42-pound bag. Howmuch wi

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$10.71

Explanation

Step 1

you can easily solve this by using a rule of three.

Let

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the proportion is the same

then

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Step 2

solve for x

$\begin{gathered} \frac{7.14}{42}=\frac{x}{63} \\ 63\cdot7.14=42x \\ x=\frac{63\cdot7.14}{42} \\ x=\frac{449.82}{42} \\ x=10.71 \\ \end{gathered}$

I hope this helps you

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