At the beginning of the year, Aaliyah had $80 in savings and saved an additional $5 each week thereafter. Deepa started the year with $40 and saved $10 every week. Let AA represent the amount of money Aaliyah has saved tt weeks after the beginning of the year and let DD represent the amount of money Deepa has saved tt weeks after the beginning of the year. Graph each function and determine the amount of money Aaliyah and Deepa have saved in the week that they have the same amount of money saved.