Question

2 1/3 cups of flour are needed for 1/2 batch of cookies.What is the unit rate that represents how much flour 1 batch of cookies uses?

Answer 1

Given

2 1/3 cups of flour are needed for 1/2 batch of cookies

We want to find the unit rate that represent hom much flour 1 batch of cookies uses

Solution

First we convert 2 1/3 cups to improper fraction

2 1/3 cups of flour = 7/2 cups of flour

Let n denotes the number of cups of flour and c denotes the batch of cookies

Unit rate (r) will be

`r=\frac{n\text{ }}{c}\text{ }`

Where

`\begin{gathered} n=2(1)/(3)=(7)/(2) \\ c=(1)/(2) \end{gathered}`
`\begin{gathered} r=((7)/(2))/((1)/(2)) \\ r=(7)/(2)*(2)/(1) \\ r=7 \end{gathered}`

Therefore, the unit rate that represents how much flour 1 batch of cookies uses is 7 cups of flour per one batch of cookies