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A photo of a painting measures 13 inches by 17 inches. The scale factor is 1/3. What size is the painting?
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A photo of a painting measures 13 inches by 17 inches. The scale factor is 1/3. What size is the painting?

User Bo Halim
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Size of the painting: A * B


Scale factor: 1/3


Size of the photo: [1/3]A * [1/3]B


[1/3]A = 13inches => A = 13inches * 3 = 39 inches


[1/3]B = 17 inches => B = 17 inces * 3 = 51 inches.



Answer: the size of the painting is 39 inches by 51 inches.
User Jake Rote
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