1 x 21 models the percentage of households with an interfaith marriage I x years after 1989 The formula N x 9 models the percentage of households in which 1 The formula 1 x 2 a person of faith is married to someone with no religion N x years after 1989 Answer parts a d below a In which years will more than 34 of households have an interfaith marriage After the year b In which years will more than 19 of households have a person of faith married to someone with no religion After the year c Based on your answers to parts a and b in which years will more than 34 of households have an interfaith marriage and more than 19 have a faith no religion marriage After the year d Based on your answers to parts a and b in which years will more than 34 of households have an interfaith marriage or more than 19 have a faith no religion marriage After the year S 16 2025