Stan wants to put a rectangle garden in his backyard. He sketched out a plan for the garden on a grid of his rectangle backyard. The scale for the grid is 1unit 3 feet

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points