Question

One cup of instant rice makes 1.5 cups of cooked rice. How many cups of cooked rice will 3 cups of instant rice make

Answer 1

$\bf \begin{array}{ccll} \stackrel{instant~rice}{cups}&\stackrel{cooked}{rice}\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 1&1.5\\ 3&x \end{array}\implies \cfrac{1}{3}=\cfrac{1.5}{x}\implies x=\cfrac{3\cdot 1.5}{1}\implies x=4.5$

Answer 2

The ratio of cups of instant rice to cups of cooked rice is 1:1.5.

3 cups instant rice: x cups instant rice

3*1.5= 4.5

x=4.5 cups of cooked rice.