There are 150 marigold plants in a back yard. Each month, the number of marigold plants decreases by 11. There are 125 sunflower plants in the back yard. Each month, 6 sunflower plants are removed. Part A: Write functions to represent the number of marigold plants and the number of sunflower plants in the back yard throughout the months. (4 points)
Part B: How many marigold plants are in the back yard after 3 months? How many sunflower plants are in the back yard after the same number of months? (2 points)
Part C: After approacimately how many months is the number of marigold plants and the number of sunflower plants the same? Justify your answer mathematically. (4 points)
(10 points)