What Statement Below Describes an Advantage of Using Strip Diagrams,bar

Multiple Choice

What statement below describes an advantage of using strip diagrams,bar models,fraction strips or length models to solve proportions?

A) A concrete strategy that can be done first and then connected to equations.
B) A strategy that connects ratio tables to graphs.
C) A common method to figure out how much goes in each equation.
D) A strategy that helps set up linear relationships.