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Jonah has a recipe that uses 1 1/2 cups of brown sugar and 2 1/3 cups of flour. Jonah wants to use all of his flour to make as many muffins as possible using the recipe. Exactly how many cups of brown sugar will Jonah use if he uses all 7 cups of flour?

Respuesta :

cryssatemp

Answer: 4.5 cups of flour

Step-by-step explanation:

We can solve this problem with the Rule of Three:

If Jonah uses [tex]1.5[/tex] cups of brown sugar for every [tex]\frac{7}{3}=2.3[/tex] cups of flour, how many cups of brown sugar will Jonah use if he uses all 7 cups of flour?

Let's call [tex]B[/tex] the cups of brown sugar and [tex]F[/tex] the cups of flour:

[tex]1.5 B[/tex]-----[tex]2.3 F[/tex]

[tex]?[/tex]-----[tex]7 F[/tex]

Then:

[tex]?=\frac{(1.5 B)(7 F)}{2.3 F}[/tex]

[tex]?=4.5 B[/tex] This is the number of cups Jonah needs to make as many muffins as possible

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