Question

find height of a tree that makes a 40'shadow when5'3" in pole is used to make a shadow of 3'

Answer 1

x= shadow(s)
y=height
y1/x1=y/x
y/40 = 5'3''/3'
y=40' * 5'3''/3'
calculate

Answer 2

\[\frac{63}{36}=\frac{h}{480}\]
\[h=\frac{63\times 480}{36}=840\]
840 inch = 70 ft

Answer 3

easiest i think to work in inches and then convert back.