Answer:
![1(3)/(8)\ cups](https://img.qammunity.org/2021/formulas/mathematics/high-school/qoc15imxpezd4edwtgzrq7gsna0dma0gkm.png)
Explanation:
we know that
To find out how many cups of powdered milk are needed to make half a recipe, divide the original amount by two
so
![2(3)/(4):2](https://img.qammunity.org/2021/formulas/mathematics/high-school/b1wa7wsd7q7jbve2zh7fcsk9yjp1a4lq7i.png)
Convert mixed number to an improper fraction
![2(3)/(4)=2+(3)/(4)=(2*4+3)/(4)=(11)/(4)](https://img.qammunity.org/2021/formulas/mathematics/high-school/ppiwanlj9inn9v13gips379dyi3t3724v9.png)
substitute in the expression above
![(11)/(4):2=(11)/(8)\ cups](https://img.qammunity.org/2021/formulas/mathematics/high-school/sgmymj6qppntlnyyxdecjx2yvo1x93832o.png)
Convert to mixed number
![(11)/(8)\ cups=(8)/(8)+(3)/(8)=1(3)/(8)\ cups](https://img.qammunity.org/2021/formulas/mathematics/high-school/di0nun7cuha7iz8j50xgmmbt9s6f4v64jo.png)