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In a photograph, a skyscraper measures 5.8 in, tall. The scale of the photo to the actual skyscraper is 1:245. How tall is the actual skyscraper to the nearest foot?â—‹ 118 ft â—‹ 183 ftâ—‹ 237 ftâ—‹204 ft

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SOLUTION

In a photograph, a skyscraper measures 5.8 in, tall

The scale of the photo to the actual skyscraper is 1 : 245

That is 1 : 245 = 1 / 245 = 5. 8 / x

Cross- multiply we have:

1 X x = 5 . 8 X 245

x = 1421 inches in feet = 118.4167 feet

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