Answer:
1/2xy > 22
Step-by-step explanation:
It's not really clear what your asking, but I assume your asking for the equation put into numbers. I don't believe that they are asking for you to find the number though.
The thing is that every 4 years, the tree grows 6 inches, so that could be expressed as a ratio, 4/6. That also means that every two years, the tree grows 3 inches since it could be simplified to 2/3.
Factor the numerator and denominator and cancel the common factors.
4x^4 - 2