A boy 1.6 metres tall is walking away from a lamp post 10 metres tall. if the boy is walking at the rate 1.2 metres per second;how fast his shadow increasing when he is 15 metres from the lamp post?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter3: Solving Equation And Problems
Section3.5: Equations With The Variable On Both Sides
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A boy 1.6 metres tall is walking away from a lamp post 10 metres tall. if the boy is walking at the rate 1.2 metres per second;how fast his shadow increasing when he is 15 metres from the lamp post?

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