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posted by icabob on Thursday, December 15, 2011 at 5:28pm.
a 3'' times 5'' photo is enlarged so that the length of the new photo is 7 inches. what is the width of the new photo?
Use a proportion: 3/5 = x/7 Cross multiply and solve for x. 5x = 21 x = 21/5 x = 4.2"
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