A building is casting a 140 foot shadow at the same time a nearby post is casting a 10 ft shadow. If the post is 18 feet tall how tall is the building

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Mathematics

20 January, 02:43

A building is casting a 140 foot shadow at the same time a nearby post is casting a 10 ft shadow. If the post is 18 feet tall how tall is the building

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Answers (1)

Know the Answer?

Stephen Russell · Answer 1

Answer: 252 feet tall

Step-by-step explanation:

1) make a proportion

x/18=140/10

2) solve

10x=140*18

x=140*18/10

x=14*18

x=252

3) Answer

The building is 252 feet tall