At the beginning of the year, Katherine had $80 in savings and saved an additional $8 each week thereafter. Josiah started the year with $25 and saved $13 every week. Let K K represent the amount of money Katherine has saved t t weeks after the beginning of the year and let J J represent the amount of money Josiah has saved t t weeks after the beginning of the year. Write an equation for each situation, in terms of t , t, and determine the interval of time when Katherine has more in savings than Josiah.