After sandy picked 3 lemons she wanted to share them with her fellow classmates if sandy wants to give 3tenth of a lemon to each of her classmates then how how many classmates will get some lemon

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