Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. The original photo was 800 pixels wide by 600 pixels high. The new photo will be 1,260 pixels wide. What will the new height be?

To keep the photo’s proportions, multiply its height by the same scale factor as its width. The width scale factor is 1,260 ÷ 800 = 1.575, so the new height is 600 × 1.575 = 945 pixels. The correct choice is 945 pixels.

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