Name: MBF 3C: Unit 5 Activity 6 Unit Assignment 7. A tree population initially had 715 trees in the park, but have been decreasing by 1 4% each year due to a fungal infection. a. Add in the missing percent into the equation (1 marks) y = 715(1- )' Where y is the total population of trees and t is the time in years. b. How many trees will remain after 2 years? (3 marks) C. How many trees will remain after 20 years