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 M kilograms, Arthur's weight is A kilograms, and
Ginny's weight is G kilograms. The expression (M+A)+G describes their
total weight. We can also use the expression A+(G+M) to represent the
same quantity. For reference: Molly is a female and an adult. Arthur is a
male and an adult. Ginny is a female and a child. Which situation does
'G+M' represent?
O The weight of the male
The total weight of the females
The weight of the child
The total weight of the adults