Answer:
5' 6" = 66 inches
6 feet = 72 inches
shadow to actual height ratio = 72 / 66 = 1.0909...
If the tree casts a 20 foot shadow then its height equals
20 / 1.09090909 = 18.33 feet = 18 feet 4 inches
Step-by-step explanation:
4/5
Answer: (y*40)+(y*8)
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below :)