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A ladder casts a shadow that is 17 feet long. A nearby streetlamp casts a shadow that is 15 feet long. If the ladder is 10 feet tall, how tall is the streetlamp, to the nearest tenth of a foot?
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14 votes
A ladder casts a shadow that is 17 feet long. A nearby streetlamp casts

a shadow that is 15 feet long. If the ladder is 10 feet tall, how tall is the
streetlamp, to the nearest tenth of a foot?

User Geoff Hackworth
by
6.2k points

1 Answer

13 votes

8.8 feet is the correct answer!

10 ÷ 17 = 0.58823...

? ÷ 15 = 0.58823...

0.58823 x 15 = 8.82345

8.82345 = 8.8

Please let me know if I am wrong.

User AdrienW
by
5.5k points
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