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18 April, 03:51

At the same time a 32-foot water tower casts a 14-foot shadow, a nearby light posts a casts a 7-foot shadow. How tall is the light post?

a. 7 ft

b. 12 ft

c. 16 ft

d. 18 ft

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Answers (1)
  1. 18 April, 06:52
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    To solve this problem you can use proportions. The shadow of the water tower and light post are a match, and the height of the water tower and light post are a match. Since we are finding the height of the light post we can replace it with x. The proportion can be set up like this: x/32=7/14. First, multiply 32 and 7 which equals 224. Then take 224 and divide it by the leftover number, 14, and you get 16. So, the answer is c).
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