The answer is B: 150
Let a be the age at which the tree reaches maturity
289000 = 900a + 2200(220-a)
289000 = 900a + 484000 - 2200a
289000 - 484000 = -1300a
a = -19500 / -1300
a = 150
It would be, 33%.
Hope this helps!
Answer: For the firstone i think it is A but idk for the second one.
Step-by-step explanation:
If it’s Kano look it up there is either a pdf or a pic of all the answers