Using proportion...
length of barn length of tree
-------------------------------- = --------------------------------
length of barn's shadow length of tree's shadow
20 x
---- = ---
12 8
Using cross-multiplication...
20 x 8 = 12x
160 = 12x
x = 13 1/3 or 13.3333
The tree is 13 1/3 meters long.
Answer: 10.368
Step-by-step explanation:
20% of 51.84 is 10.368 or just 10.36
The second graph has a slope of 3/2 meaning that should be the answer.
Every time x increases by two, y increases by three