answer: 22
15/7.5 = x/11
cross multiply
7.5x = 165
divide by 7.5 on both sides to get the x alone
7.5x/7.5 = 165/7.5
x = 22
the tree is 22 feet
sorry if it’s wrong
9^2*4^4 is the correct answer I believe.
Per 1 yard the cost would be $0.38. Not sure what unit you need it in, but thats the answer in yards.
The ratio of that question is 7:12