The expression used for the length of ribbon that she needs for both pillows will be .
The total length of the pillow she needs will be 130 inches.
Given,
The side length of pillow is .
The side length of another pillow is .
We know that perimeter of square will be,
So the perimeter of pillow will be,
Similarly, the perimeter of another pillow will be,
]
Hence,the total length of ribbon that she needs for both the pillows will be,
If then the total length of ribbon will be,
.
Thus the required expression will be and the total length of ribbon she needs will be 130 inches.
So, the correct option will be (D).
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