Assuming you want to enlarge the photo, (keep the same ratio of height to width), and assuming that your photo is in portrait form, ....
7/5 = x/30
5x = 210
x = 42
check: 30 : 42 = 5 : 7, I kept my ratio
A photo that is 5 inches by 7 inches is being enlarged on a canvas .If the canvas is 30 inches wide what is the height?
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