TREEHOUSE DESIGN Devontae is building a treehouse in his backyard. He researches city restrictions on building codes. The height of the treehouse cannot exceed 13 feet. He wants to build a tree house with 2 levels of equal height that is 4 feet off the ground.


What is the maximum height of one level?


Devontae decides to build one level higher off the ground. If the level is 8 feet tall, how high can the tree house be off the ground?