Jon is making a scale drawing to enlarge a picture. The original dimensions of the picture are 8 inches wide by 64 inches long. Which of these dimensions represents a possible width and length of the enlargement?

The original picture’s length-to-width ratio is 64 ÷ 8 = 8. An enlargement must keep that same ratio, with both dimensions scaled by the same factor. Choice C, 16 inches wide by 128 inches long, doubles both original dimensions and keeps the ratio at 8:1.

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