There are forty - three walnut trees and thirty - four dogwood trees currently in the park. Park workers will plant more walnut trees today. When the workers are finished there will be sixty - five walnut trees in the park. How many walnut trees did the workers plant today ? plz explain bye using 5 step method plz this is the last question. Step 1: Ask the question. Step 2: Select the modeling approach. Step 3: Formulate the model. Step 4: Solve the model. Step 5: Answer the question.