Nia plans enough money in the bank for 100 weeks so that amount is a banks always proportional to the week number eight she had $20 a week 12 she had 30 how much money will be in the savings account

I'm sorry, I'm not sure that I understand your question as asked. She is planning for 100 weeks, has twenty dollars at week eight, and thirty dollars at week twelve? You question is how much at week one-hundred?