Kelly and greta are asked to write an equation for the scenario below. “one person was able to plant 4 trees in the same amount of time that 5 people working together were able to plant 20 trees.” the girls agree that x represents the number of people working and y represents the number of trees planted. kelly wrote the equation , and greta wrote the equation . which person is correct, and why? kelly is correct; each person plants more trees than the person before them. kelly is correct; and . greta is correct; each person plants 4 more trees than the person before them. greta is correct; and .