A city park has two walkways with a grassy area in the center.
1) Write an expression for the area of the walkways, using subtraction.
2) Write and expression for the area of the walkways, using addition.

The first walkway is 3m wide, the grassy area in the center is 6m wide, and the other walkway is 1m wide. All are 12m tall.

Can anyone help me understand this problem?

Question

A city park has two walkways with a grassy area in the center.
1) Write an expression for the area of the walkways, using subtraction.
2) Write and expression for the area of the walkways, using addition.

The first walkway is 3m wide, the grassy area in the center is 6m wide, and the other walkway is 1m wide. All are 12m tall. 

Can anyone help me understand this problem?

anonymous · Answer

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This is mostly what the diagram looks like.