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Oksi-84 [34.3K]
3 years ago
13

a recipe calls for 1/2 cup ingredient a for every 1 2/3 cups of ingredient b. you use 4 cups of ingredient a. how many cups of i

ngredient b do you need?
Mathematics
2 answers:
andrezito [222]3 years ago
3 0
(1/2) / (1 + 2/3) = (4) / (B ) simplify (1/2) / ( 5/3) = 4 /(B) cross-multiply B(1/2) = (5/3)(4) B(1/2) = 20/3 multiply both sides by 2 B = 40/3 cups of B = 13 + 1/3 cups of B
makvit [3.9K]3 years ago
3 0
<h2>Cups of ingredient b needed  =13\frac{1}{3}</h2>

Step-by-step explanation:

A recipe calls for 1/2 cup ingredient a for every 1 2/3 cups of ingredient b.

\texttt{Ratio of ingredient a : Ratio of ingredient b = }\frac{1}{2}:1\frac{2}{3}\\\\\texttt{Ratio of ingredient a : Ratio of ingredient b = }\frac{1}{2}:\frac{1\times 3+2}{3}\\\\\texttt{Ratio of ingredient a : Ratio of ingredient b = }\frac{1}{2}:\frac{5}{3}

Let us assume ingredient of b needed is b.

We have

            4:b= \frac{1}{2}:\frac{5}{3}\\\\\frac{4}{b}=\frac{\frac{1}{2}}{\frac{5}{3}}\\\\\frac{4}{b}=\frac{3}{10}\\\\b=\frac{40}{3}=\frac{39+1}{3}=13\frac{1}{3}

Cups of ingredient b needed  =13\frac{1}{3}

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