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< Grade 7 Math - Expressions, equations, and inequalities

Interpreting linear expressions

Molly and Arthur are taking their daughter Ginny on a roller coaster ride. For safety, they need to find their total weight before getting into the same car. Molly’s weight is MM, Arthur’s weight is AA, and Ginny’s weight is GG.
Match the expressions to their meanings. Each meaning may match more than one expression.
For reference:
Molly is a female and an adult.
Arthur is a male and an adult.
Ginny is a female and a child.
 
The sum of the adults' weights
The sum of the females' weights
The total weight of the family
None of these
(G+M)+A(G+M) + A
M+AM+A
G+(M+A)G + (M+A)
M+GM+G
(A+G)+A(A+G)+A
G+MG+M