+64 A person 5 feet 3 inches tall casts a 6-foot shadow. At the same time of day, a lamppost cast an 18-foot shadow. what is the height lamppost?
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A. 15.75 ft.
B. 15.9 ft.
C. 31.5 ft.
D. 1.5 ft.
+37146 Just work this as a simple ratio problem:
5 ft 3 inches (5.25 ft) is to 6 feet as 'x' is to 18 feet
5.25/6 = x / 18 solve for 'x'
5.25/6 * 18 = x
15.75 ft = x
