Xavier earns $___ each time he walks someone's dog. He walks his neighbor's dog each day. He also earned an additional $___ for running with the dog one day.

Part A: Rewrite the description by filling in the blanks with values of your choice to show the amount of money he could earn in any number of days, d. Make sure that the values you choose make sense for this situation. (1 point)

Part B: Write an algebraic expression from your written description used in Part A. Let d stand for the number of days. (3 points)