Question

Antonio makes only one size of latte, and he uses 1/3 cup of milk in each drink. How many lattes can Antonio make with 7/9 cups of milk?

Answer 1

`(1)/(3)\ cup\ of\ milk\ for\ 1\ drink\\ (7)/(9)\ cup\ of\ milk\ for\ x\drinks\\\\ making\ proportion:\\ (1)/(3)-1\\ (7)/(9)-x\\\\ cross\ multiplication\\\\ (1)/(3)x=(7)/(9)\ \ \ \ multiply\ by\ 3\\\\ x=(7)/(3)=2(1)/(3)\\\\ Antonio\ can\ make\ 2\ lattes.`