John goodman weighs 250 pounds, so he decides to go on a diet. at the end of the first week, he weighs 240. then at the end of the second week, he weighs 230. fill in the blanks of the arithmetic formula [ a(n) = d + a^1(n – 1) ] for this scenario. a(n) = + (n – 1 ) how much will he weigh at the end of week 12? this is what i got so far 250 + (-10 - 1) idk im so confused